straight up from the ground and can also stay in one position in the air. ；i[升机：He was rushed to the hospitaZ by heHcopter•他由j[升机火速送到医院。◊ a poZfce heZicopter 警用直升机◊ _a /idicopter pi〖ot 直升机驾 驶员十 picture o page Rii

he.lio.cen.tric /,hi:li9.sentrik/ 〇〇[/. (asf/w/omy 天pwith the sun as the centre 日心的：the hdfocentric modeZ .〇/ the soiar system太阳系的日心模型 he-lio-grapK /'hiiliagrarf; -graef/ noun 1 a device which gives signals by reflecting flashes of light from the sun日光反射信号器；回光信号器；日光仪2 (also he.lio-gram /'hirliagraem/) a message which is sent using signals from a heliograph日光反射信号；回光信 号 3 a special camera which takes photographs of the sun (拍摄太阳用的）太阳照相仪 he-lio-trope /'hiiliatraup; NAmE -troup/ noun 1 [C, U] a garden plant with pale purple flowers with a sweet smell天芥菜（开芳香淡紫色花）2 [U] a pale purple colour淡紫色

heli-pad /'helipaed/ (also helicopter pad) noun a small area where helicopters can take oft and land 直升机

停坪

heli-port /'heliport; NAmE -poirt/ noun a place where helicopters take off and land 直升机机场 heli-skiing /'heliskinr)/ noun [u] the sport of flying in a helicopter to a place, where there is a lot of snow'on a mountain in order to ski there 直升机滑雪 he-lium /'hiiliam/ noun [U] (symb He) a chemical element. Helium is a very light gas that does not burn, often used to fill balloons and to freeze food.氮； 氦气

helix螺旋

helix /'hiiliks/ noun {pi heli-ces /'hiilisiiz/) a shape like a spiral or a line curved around a cylinder or cone 螺 旋（■形)_ see also double helix hell 〇^r /hel/ noun

1 [sing.] (usually. Hell) (used without a or the 不与 a.或 the 连扁）in some religions, the place believed to: be the home of devils and where bad people go after death 地狱 2 [U, sing.] a very unpleasant experience.or situation in which people suffer very mucli 苦难的 经历； 悲 惨的境况：The three months have been heH.—去的 三个月真受罪。◊ ffe went through heZZ during the triaL 审ik期间他了苦头。◊ parents made her h/e heH. 她的父母使她生活得很痛苦。◊ Being totaHy a!one is my idea o/heii on earth.完全的孤独对我而言k是置身人间 地狱。3 [U] a swear word that some people use when they are annoyed or surprised or to emphasize sth. Its use is offensive to some people.(有人认为含冒犯意.） 该死，见鬼：Oh heH, J’ve burned thepan.貪该元，我把 锅烧煳了。◊ What the heH do you think you are doin^? 你到底知不知道自己在干什么？ ◊〇〇【〇&«/去死吧！ ◊ I can't really afford it, but, what the hell (= it doesn^ matter), J’H get ft anyway.实在说我是买不起，但管它 呢，无论如何我买定了。◊ He’s as guiZiy as heH.他罪孽 深重。(NAm。‘Do you understand?’ ‘Hell, no. I don’t.’ “你懂了吗？ ”“懂个鬼。我根本不懂。”_ all'hell broke loose {informal) suddenly there was a lot of noise, arguing,否ghting or confusion 突然喧闹（或争 辩、打斗）起来；顿时乱作一团：There was a ;oud bang and then aH heH brofce Zoose. —声'巨.响之后顿时一片裩 乱。beat/kick (the} ’hell out of sb/sth | knock ’hell out of sb/sth (informal) to hit sb/sth very hard 狠打：He was a dirty player and loved to kick hell out of theoppositio/i.他是个不讲体育道德的球员，喜欢猛力冲

撞对方f (ju$t) for the ‘hell of，it (/n/prmfl/) just forfun; for no real reason只是闹着玩；备有真正知机：TTiey stoZe the carjust/or坊e fteH o/it.他.们偷这辆汽车只是为 f 寻隶刺激。from _he丨丨（//7/om7fl/) used to describe a very unpleasant person or thing; the worst that you can imagine 十芬分戾疒桌环：They are the neighbours from heH.这些邻居太可恶了。get the hell out (of ：：：)_: {informal) to leave a place very quickly ： Let’s

get the heH out 〇/ here•我们备_£ 离开这鱼吧。give sb 'hell {informal) 1 to make life unpleasant for sb 受罪;•使某人不好受：He used to give his mother hell when he was a tee/iager.他十几岁时常常给他母亲惹麻 烦。◊ My new shoes are giving me AeZZ (= are hurting me).我的新鞋磨得我脚疼死了。2 to shout at or speak angrily to sb Uni Jr ; ^ ： Dad. will give us hell when

he sees that mess.爸爸要是看见那乱糟糟的样子会骂我 ■.们的。go to hel^in a 'handbasket (/V/Urj£，//i/o/vrjfl/) =go Tp the dogs at dog n. hell for leather (old- fashioned, BrE, informal) as quickly as possible to

ride heH/or ZeatAer 拼‘快_ hell hath no ’fury: (iike a woman 'scorned) (firf) used to refer to sb, usually a woman, who has reacted very angrily to sth, especially the fact that her husband or lover has been UNFAITHFUL (尤指女入因i夫或情人不忠而)大发雷 霆；醋劲+大发(come) hell or high 'water despite any difficulties 无论有什么困难：J was determined to go, come heH or high water.我痪心要去，无论有什么困难。 Hell^ 'teeth (old-fashioned, BrE, informal) used to express anger or surprise (秦示气愤或吃懷）可恶天 哪 like ’hell 1 (/>?/〇/7?1〇/) used for emphasis 非常；极 Sfte worfcedh’fce heii /or her exams.她为了 考试而 if 命复习。My broken yiinger hurt Wee heH. _的手指骨 ‘痛得要命。2 (/./7/ormfl/) used when you are refusing permission or saying that sth is not true 絶不；不对： Tm coming with you.' like hell you are (= you certainly 3比11_〇1).’,,,“我要和你一起去。；；，“你想得真美。” 3/〇1^ hell of a | a/〇ne helluva ... /'helava/ (s/o/7g) used to give emphasis to what a person is saying 极其;.非常： The firm was in a hell of a mess when he took over.

手时'公司一团糟。◊ Jt mast have been one heZ〖〇/ a party.那肯定是一次很棒的聚会。◊ TTiat’s one heHuva big house you’ve got.你的房子真是大极了。play (merry) 'hell with sth/sb (BrE, informal) to affect sth/sb badly 对…造成严重影响；严重损害…scare, annoy, etc. the 'hell out of sb (informal) to scare, annoy, etc. sb very much使某人十分恐惧（或恼怒等）to 'hell and back (informal) used to say that sb has been through a diffi- cult situation 经历过困境；•历劫归来：We’d been to heW and back together and we were sriH good_/Hends.我们曾 经患难与共，现在依然是好友。to 'hell with sb/sth [informal) used to express anger or dislike and to say that you no longer care about sb/sth and will take no notice of them (表示偾怒或厌恶，不再在乎）见鬼去 吧，随便："To heU with him,’ she thought, ‘I’m 〖eaving.’ “让他见鬼去吧，”她想，“我走U —more at BAT n., CAT, CATCH V., HOPE 11., PAY V., RAISE V., ROAD, SNOWBALL n.

heMI /hvAl short form he will

,hell-_ bent on sth/on doing sth determined to do

sth even though the results may be bad 不顾一切地（做 ) ： He seems hell-bent on drinking himself to death.

他一个劲地喝酒，似乎命都不要了。， hel-le-bore /'helib3：(r)/ noun a poisonous plant with divided leaves and large green, white or purple flowers

鹿食草（有毒>

Hel-lene /'heli:n/ noun a person from Greece, especially ancient Greece余腊人；（尤指）古希腊人 HeMen-ic /he'lemk; -'li:n-/ adj. of or connected with ancient or modem Greece希腊的；古希腊的 HeMen-is*tic /.heli'mstik/ adj. of or connected with the Greek history, language and culture of the 4th-ist centuries BC (公元前4至前1世纪）希腊化（时期）的 hell.fire /'helfai0(r)/ noun [u] the fires which are believed by some religious people to bum in hell, where bad people go to be punished after they die 地 狱之火