trif-ling /'trarflirj/ adj. (formal) small and not important 琐碎的；微不足道的；无足轻重的；不重要的Ena trivial： tr诉ing detoik 琐碎细节 trig-ger /'trig0(r)/ noun, verb

鼸 noun 1 the part of a gun that you press in order to fire it (枪的 > 机：to puU/squeeze the trigger•扣扳机◊ He fcept his finger on the trigger.他的手指一直勾着扳机。

2                  〜（for sth) | ~ (to sth/to do sth) something that is tlie cause of a particular reaction or development，espe­cially a bad one (尤指引发不良反应或发展的） 起因， 诱因：rhe trigger /or the strike was the dosure 〇/ yet another factory.触发这次罢工的是另一家工厂的关闭。

3                  the part of a bomb that causes it to explode 触发器； 引爆器：nudear triggers核引爆器

■                  verb [VN] 1 〜sth (off) to. make sth happen suddenly 发动；引起；触发 Hn set off ： Nuts can trigger off a vioknt aHergic reaction.坚果可以引起严重的过敏反运。

2 to cause a device to start functioning 开动；起动 PCI71 set off： to trigger an akirm 触发警报*

'trigger-happy adj. {informal, disapproving) too willing and quick to use violence，especially with guns 以开枪 为乐的；好斗的；爱动武的；动辄开枪的 trig-onom-etry /.tnge'nDmatri; NAmE -'na:m-/ noun [u] the type of mathematics that, deals with the relation­ship between the sides and angles of triangles 三角学 ► trig-ono met ric /.trigena'metrik/ (also trig ono met- ric-al /-kl/) adj.

trig point /'trig point/ (also tri.angu'lation point) noun {technical 7^: i^) a position on a high place used as a reference point, especially by people who make and use maps. It is usually marked on the ground by a short stone pillar.(地图制作和使用者设的）三角测量点，三 角参照点

tri-graph /'traigrarf; NAmE -graef/ noun {linguistics -®W) a combination of three letters representing one sound, for example ‘sch’ in German 三合字母；三字母一音 tri.he.dron Arai’hidran; -’hed-/ (geomef/y 几何）a solid shape with three sides in addition to its base or ends三面体

trike /traik/ noun {informal) = tricycle tri-lat-eral /.trai'laetaral/ adj. involving three groups of people or three countries 三边的；三方的：trfiatemZ taZfcs 三方会谈一compare bilateral(I), multilateral

(1), UNILATERAL

trilby /'trilbi/ noun {pi. -ies) [especially BrE) a man's soft hat with a narrow brim and the top part pushed in from front to back (男用）软毯帽一picture □> hat trill /tril/ noun, verb

mnoun 1 a repeated short high sound made, for example, by sb’s voice or by a bird (人的 > 颤声，短促 尖声；（鸟的）啼啭，唧唧啾啾2 (wi/s/c音）the sound made when two notes next to each other in the musical scale are played or sung quickly several times one after the other 颤音 3 (also roll) (pho/ief/cs 语音）a sound, usually an /r/, produced by making the tongue vibrate against a part of the mouth 颤音

■                  verb 1 [V] to make repeated short high sounds (连续} 发颤音，发短促的响声HT1 warble• A phone trilled onthedesfc.办公桌上的电话丁零零地响了。◊The canary was trfHi’ng away ZiappiZy. _只金丝雀唧唧啾嗽地 欢唱个不停。2 [V speech] to say sth in a high cheerful voice 欢 高声说 H771 warble： 'How wonderfuU, she triHed. “矢妙了！ ”她高兴地喊道。3 [VN] (p/?o/?ef/cs 语音)to pronounce an ‘r’ sound by making a trill(3)发 r 颤音:一compare roll v.( 10)

trillion /triljan/ number 1 l ooooooooo ooo; one million million 7/jZ,; %『313 You say a, one, two, several, etc. trillion without a final ‘s’ on ‘trillion’. Trillions (of ...) can be used if there is no number or quantity before it. Always use a plural verb with tril­lion or trillions, a, one, two, several, etc. trillion , trillion后面不加s。若前面没有^[目或数量，可用trillions (of …)。trillion 和 trillions 蝻用复数每词。2 a trillion or trillions (/>)/omu7〇 a very large amount 大量；无数 RT3I3 There are more examples of how to use numbers at the entry for hundred.更多数词用法示例见 hundred 条。3        8/f) one million million

million; i ooo ooo ooo ooo ooo ooo 亩方兆

2159 trinity

tri-lo-bite /'trailaubait; NAmE 'traila-/ noun a small sea creature that lived millions of years ago and is now a FOSSIL三叶虫 < 生活于几百万年前的小型海洋生物，已成 ^石>

trilogy /'trilad3i/ noun {pi. -ies) a group of three books, films/movies, etc. that have the same subject or characters (书籍、电影等的十三部曲^三部剧

trim /trim/ verb, noun, adj.

m verb (-mm-) [VN] 1 to make sth neater, smaller, better, etc., by cutting parts from it 修_;修—：to trim your hair 理发◊ to trim a hedge (back)修剪树篤◊ (/i(gw.raf/Ve) The training budget had been trimmed by £20 000•培训 预算削减了 1 万英镑。2 〜sth (off sth) | ~ sth (off/away) to cut away unnecessary parts from sth 切去，割掉，|| 下，除去（不必要的部分）：Trim any excess fat off the meat.把多余的肥膘从肉上切掉。trimmed two centimetres o# the ftem 〇/the sfcirt.我把裙子的下摆剪短 了两厘米。3 [usually passive]〜sth (with sth) to decorate sth, especially around its edges 装饰，修仏，点缀（尤 指龛物的边缘):gZoves trimmed with加' 毛皮#的手 套 .trim your 'sails 1 to arrange the sails of a boat to suit the wind so that .the boat moves faster 随 风扬帆；见风转蛇2 to reduce your costs减少开支；

削减费用 ,trim ’down j ,trim sth^down to

become smaller in size; to make sth smaller (使）变 小；缩减：Using the c^et he’s trimmed down 介om 90 fci/os to 70.通过控制饮食，他的体重从90公扞减到了 70 公斤。

4                  noun 1 [C, usually sing.] an act of cutting a small amount

off sth, especially hair (尤指毛发的）修剪：a wash and trim洗头理爱◊ The hedge needs a trim.这树篱得修 剪了 _。     2 [U, sing.] material that is used to decorate

clothes, furniture, cars, etc., especially along the edges, by being a different colour, etc.(衣旅、家具、汽车等 的）饰物，边饰，装饰配彳车：rhecarisavaiiaWewiA Wacfc or red trim (= the colour of the seats).这款汽车的 座椅有黑红两种颜色。oaWue jacket with a white trim 镶有—边的蓝色上衣 ITffCT in (good, etc.) trim [informal) in good condition or order叙态良好；健康极j圭；井然 有序：He keeps in trim by running every day.

每命持身体健康。◊ TTie team need to get in trim/or the coming season.这个球队需要为下个赛季做好准备。

5                  adj. 1 (of a person A) looking thin, healthy and attractive苗条如；修长A;健康优雅的：She has fcept very trim.她的身材無持得很苗‘。◊ a trim/igure修长 的身材2 neat and well cared for整齐的；精心照管的； 井然有序的well kept ： a trim garden精心管理 的花园

tri-maran /'traimaraen/ noun a fast sailing boat like a catamaran, but with three hulls instead of two 三体 帆船

tri-mes-ter /trai'mest0(r)/ noun 1 {medical E) a period of three months during the time when a woman is pregnant妊娠期（以三个月为单位）：the first trimester o/pregmmcy 妊娠的头三个月 2 (/V/Amp = term /?.⑵： The school year is divided into three trimesters,

三个学期。一compare semester

trim.eter /丨trimite(r);      also 'trai-/ nown (fec77/?/cfl/ 术语）

a line of poetry consisting of three sets of syllables called feet三音步诗行

trim mer /'trim0(r)/ noun a machine for cutting the edges of bushes, grass and hedges (树丛、_ 花草、树篱 的）修剪机：ahedge-frfmmer•树篱修剪机

trim-ming /'trimiq/ noun 1 trimmings (NAmE also fixings) [pi.] the extra things that it is traditional to have for a special meal or occasion (菜肴的）配料：额外的 事物：a spiendid/east 〇/ turfcey with aZZ the trimmings 备着各种配料的丰盛火鸡大会2 trimmings [pi.] the small pieces of sth that are left when you have cut sth 修剪下来的东西；剪屑：hedge trimmings树篱修剪下来 的碎枝叶 3 [U, C，usually pi.] material that is used to decorate sth，for example along its edges 装饰材料；镶 边饰物：a white Wouse with Wue trimming 有蓝色饰边 的白衬衫

trin-ity /'trinati/ noun [sing.] 1 the Trinity {in Chris­tianity ® # fit) the union of Father, Son and Holy Spirit as one God三位一体（圣父、圣子及垄k备为上