seem quite hersd/this morning.她今天早上好像有点不太 对劲。◊ S/ie needed space to be herse〖/.她需要自己的独 ■立空间。（all) by her’selfl alone; without anyone else (她）独自，单独：She Hves by hmd/•她独自一人生 活。2 without help (她）独立地：S^ie runs the b〇5i_- ness by hersd/•她自己经营这项生意。（all) to her1 self for only her to have or use归■她自己一人占有（或使 用 '):She wants a room aZZ to ftersd/•她想要一个完'全 属于自己的房间。

hertz /h3：ts; NAmE h3：rts/ noun {pi. hertz) {abbr. Hz) a unit for measuring the frequency of sound waves 赫，

赫兹（声波频率单位）

he^ short form 1 /hi:z; his; iz/ he is 2 /hi:z/ he has hesi.tancy /.hezitansi/ /7〇wn [U] the state or quality of being slow or uncertain in doing or saying sth 犹豫；踌 躇；迟疑不决：J noticed a certain hesitancy fn his .voice. 我f意到他的声音有点犹豫。

hesi.tant /.hezitant/ ad；/. ~ (about sth) | 〜（to do sth) slow to speak or act because you feel uncertain, embarrassed or unwilling犹豫的；踌躇的；不情愿的： a hesitant smiVe 勉强的微矣◊ She’s hesitant about signing the contract.她对是否签这个合同还犹豫不决。◊ the baby’s/irst/ew hesitant steps婴儿最初的迟疑的几步 〇 Doctors are hesitant to comment on the new treatment. 医生们不愿对新疗法作出评论。► hesitantlydv. hesi-tate /'heziteit/ verb

1                  〜(about/over sth) to i>e slow to speak or act because you 〖eel uncertain or nervous (对桌事）犹豫，迟疑不 决：[V] She Ziesitated be/ore replying. M犹备 X‘一下.牙回 答 0 ◊ 7 didn’t Ziesftate /or a moment about taking the 扣b.我毫不犹豫地接受了那份工作。[also V speech]

2                  [V to inf] to be worried about doing sth, especially because you are not sure that it is right or appropriate 顾虑；备虑：P〖ease do not hesitate to contact me i/ you have any queries.如果有疑问就请尽管和我联系。

►                 hesi-ta-tion /.hezi'teijn/ noun [U, C] ： She agreed vvfthout the slightest hesitation.她▲不犹豫地同意了。

〇 / have no hesitation in recommending her for the job. 我毫不犹豫地推荐她做这项工作。◊ He spofce/fuentZy and without unnecessary hesitations.   M

不支吾。he who hesitates (is lost) (saying) if you delay in doing sth you may lose a good oppor- tunity当断不断（，反受其乱）；优柔寡断者坐失良机

hes-sian /'hesien; NAmE 'hejn/ {especially Br£) {NAmE usually bur-lap) noun [U] a type of strong rough brown cloth, used especially for making sacks 掠色粗麻布 hetero- /'hetarau; NAmE -rou/ combining form (in nouns, adjectives and adverbs构成表词、形容词和副词)other; different其他；.不同的：heterogeneous由很i士类组成 的◊ heterosexua/ 异性恋者一compare homo- het.er❶-dox /_heteradr>ks;       -da:ks/ 〇办（/ormf//) not

following the usual or accepted beliefs and opinions ^ 端的；非正统的一compare orthodox, unorthodox

►                 het-ero-doxy noun [U, C] {pi. -ies) het-ero-ge-neous /.hetara'dsiinias/ adj. (formal) con­sisting of many different kinds of people or things 由很多种类组命的；各种各样的：t/ie heterogeneous population 〇/the United States由不同族裔组成的美国人 口. PTiJi] homogeneous ► het.ero.gen.eity /-d33_ni:ati/ noun [U]

het-ero-nym /'hetaramm/ noun {linguistics 1 one of two or more words that have the same spelling but different meanings and pronunciation, for example ‘tear’ meaning ‘rip’ and ‘tear’ meaning ‘liquid from the eye’同形异音异义词（如表示“撕裂”的tear与表示“眼 洁”的 tear ) 2 one of two or more words that refer to the same thing, for example ‘lift’ and ‘elevator’.异形同 义词（如 lift 和 elevator.):

het-ero-sex-ual /.hetare'sek^ual/ noun a person who is sexually attracted to people of the opposite sex 异性恋 者一compare bisexual, homosexual ► het-ero-sex- ual adj. ： a heterosexual rekitionshfp 异性..恋关系1^1- ero-sexu-al-ity /.hetare.sekju'aslati/ noun [U] het-ero-troph /'hetaratrauf; -trof; NAmE -trouf; -trccf/ noun {biology a living thing that gets its food from the body of another living thing and does not make it from simpler substances异养生物（从其他生物体获取

| 959      hey presto

有机食物）一compare autotroph ► het.ero.troph.ic /.hetara'traufik; -'trDfik; NAmE -'troufik; -'traifik/ adj. het-ero-zy-gote /.hetara'zaigaut; NAmE -gout/ noun (fc/o/ogy 生）a living thing that has two varying forms of a particular gene, and whose young may therefore vary in a particular characteristic ‘合子（基因有两种不同治 式的生物）► het.ero_zy.gous/-gas/ £?办 het up /,het 'ap/ adj. [not before noun] ~ (about/over sth) {BrE, informal) anxious, excited or slightly angry ^ M; 兴奋；生气：What are you getting so het up about? ft* 么事这么激动？

heur-is-tic /hju'ristik/ adj. (formal) heuristic teaching or education encourages you to learn by discovering things for yourself (教学或教育）启发式的 heur-is-tics /hju'ristiks/ noun [U] (format) a method of solving problems by finding practical ways of dealing with them, learning from past experience 探索法；启 发式

hew /hju:/ verb (hewed, hewed or hewn /hjuin/) [VN] 1       的 to cut sth large with a tool 治：，# (大

的物择）：to hew wood 劈木头 2 (formfl/) to make or shape sth large by cutting砍成，劈出（棻种形状、某 物）rougWy /lewn timber frames 粗劈成的木架子◊ 77ie statues were hewn out o/soZid rocfc.会：些 像盔古实 心声石上凿出来的。

hex /hek$/ verb [VN] (NAm£) to use magic powers in order to harm sb 施魔法以加害（某人）► hex /70W/7: to put a hex onsb施魔法使某人遭殃一compare curse hexa- /'heksa/ (also hex-) combining form (in nouns, adjectives and adverbs构成名词、形容词和副词）six; having six六；有六个的

hexa-deci-mal /.heksa'desiml/ (also hex /heks/) adj. [computing if) a system for representing pieces of data using the numbers 0-9 and the letters A-F 十六进制的： The number 107 is represented in hexadecimal as 6B. * 107这个数用十六进制表示为6B。 hexa-gon /'heksagan; NAmE -gain/ noun {geometry JIM) a flat shape with six straight sides and six angles 六边 形；六角疮► hex.agon.al /heks’aeganl/ flc/j. hexa.gram /.heksagraem/ now/? (geometry 几何）a shape made by six straight lines, especially a star made from two triangles with equal sides 六角星形；六角形 hexa-he-dron /.heksa'hirdran; -'hed-/ noun (geometry Ji 何）a solid shape with six flat sides 六面体 hex-am-eter /hek'saemita(r)/ noun {technical a line of poetry with six stressed syllables 六音步诗行 hey /hei/ exclamation (informal) 1 used to attract sb5s attention or to express interest, surprise or anger (用 以引起注意或表示兴趣、惊讶或生气）嘿，喂：Hey, can J just asfc you something?嘿，问你点事好吗？ ◊ Hey, Zeave my things a〖one/ 喂，别也 _ 妁系 M! 2 used to show that you do not really care about sth or that you think it is not important (表示不真疋在意或认为不重要）嘿： That’s the third time I’ve been late this week—but hey/一counting?那是我这个星期第三次迟到了一 不过，嘿——谁管它呢。3 (S/A/rE) used at the end of a statement, to show that you have finished speaking, or to form a question or invite sb to reply (用于陈述舍韦 尾，表示话已说完，或构成问题或请求回答）就这样，怎 么样，你说呢：TTianfcs /or your hdp, hey.谢谢你的帮助 啦。〇 My new bffce’s nice, hey?我的if自行车挺好，你说 呢？ what the 'hey! {NAmE, informal) used to say

that sth does not matter or that you do not care about it那有什么要紧；没什么；管它呢：77iis is probabZy a bad fdea, but what t/ie h^y/•这大概是个搜主意，.但管 它呢！

hey-day /'heidei/ noun [usually sing.] the time when sb/sth had most power or success, or was most popular 最为强大•（或成功、繁荣 > 的时期BCEl prime: in its heyday, the company ran trains every fifteen minutes. ^ 司在最兴隆时期每隔十五分钟就开出一列火车。◊ a/ine exampZe 介om the heyday o/Jtah_cm dnema 意大利电秦业 全盛翻的一部优秀代表作◊ a picture 〇/Brigitte Bardot in her heyday禧姬•爸铎事业鼎盛时的一张照片 ,hey 'presto exclamation [Br£) {NAmE presto) 1 some­thing that people say when they have just done sth so