hydro，gen /.haidradsMi/ /?own [U] (sym办 H) a chemical element.
Hydrogen is a gas that is the lightest of all the elements. It combines with oxygen to form water.氢；
氣气
hy-dro-gen-ated /hai'drDd3aneitid; NAmE -'dra:d3-/ adj. ⑼⑽/吻化）hydrogenated oils
have had hydrogen added to them (油类）氢化的，加氢的 hydrogen bomb (also 'H-bomb) noun a very powerful
nuclear boml)氢弹
.hydrogen
pe'roxide noun [u] (symi) H202) (chemistry
化）=PEROXIDE
hy-drol-ogy /hai'drDlad3i; NAmE -'dra:l-/ noun [U] {technical ^ i#)
the scientific study of the earth's water, especially its movement in relation
to land ■水文■学；水
文地理学5
hy-droly-sis /hai'drolisis;
NAmE -'drail-/ noun [U] {chemistry a reaction with water
which causes a compound to separate into its
parts 水解（-化合物的力卩
水分解）
hydro-pho-bia /.haidra'faubia; NAmE -'foubia/ noun [u] extreme
fear of water, which happens with rabies
infection in humans (狂犬病患善的）恐水，畏水
► hydro-pho-bic
/.haidra'faubik; NAmE-'fou-l adj. hydro-plane /'haidreplem/ noun, verb ® noun 1 a
light boat with an engine and a flat bottom, designed to travel fast over the
surface of water 7jc 上滑
行艇 2 (/S//Am£) = SEAPLANE * verb [V] (NAm^) = aquaplane v.(1) hydro.plan.ing /'haidraplemir)/ noun [u] (AMm£) =aquaplaning(2)
hydro-pon-ics /.haidra'pomks; NAmE -'pain-/ noun [u] the process of
growing plants in water or sand, rather than in soil溶液栽培；水培
hydro-speed /'haidrauspiid;
NAmE -drou-/ [BrE also hydro-speed-ing) noun [U] the sport of jumping
into a river that is flowing
fast, wearing equipment that allows you to float急流跳水漂流 hydro-sphere /'haidr0usfia(r); NAmE 'haidrousfir/ noun [usually sing.] (technical all of the water on or
over the earth’s surface水圈（地表或接近地表的水层）' hydro-ther-apy /.haidi^au'Serapi; NAmE .haidroo-/ noun [U] the treatment of disease
or injury by doing physical exercises in water 水疗法
hy.drox.ide
/hai'druksaid;
AM/r?£
-_dra:ks-/ nown (die/??- /•sf/y 化）a chemical consisting of a metal and a combination of
oxygen and hydrogen 氢氧化物
hyena (also hy-aena) /hai'iina/ noun a wild animal like a
dog, that eats the meat of animals that are already dead and has a cry like a
human laugh. Hyenas live in
hy-giene
/'haid3i:n/ noun [U] the practice of
keeping yourself and your living and working areas clean in order to prevent
illness and disease 卫生：food
hygiene 食品卫生◊ personal
hygierte 个人卫生.0 fnthe interests 〇/ hygiene, ptecwe wash your hands.为了M生，请洗手。、
hy-gien-ic /hai'd3i:mk; NAmE usually -'d3en-/ adj. clean and free of
bacteria and therefore unlikely to spread disease 卫生的：Food must be prepared in hygienic conditions.食!^必须在卫生的环境中制作。EEQ unhygienic ►
hy-gien-ic-al-ly /-kli/ adv. ： Medical su即iies ore disposed
o/hygienicaHy.•医疗用品经卫生方 法畔理
hy-gien-ist
/hai'd3i：mst/ (also dental hygienist especially in NAmE) noun a person who works with
a dentist and whose job is to clean peopled teeth and give them advice about
keeping them dean 牙科保健员;牙科洁
治员
hymen /'haiman/ noun {anatomy H) a piece of skin that partly covers the opening of
the vagina in women who have
never had sex 处女膜
hymn
/him/
noun 1 a song of praise,
especially one praising God and sung.by Christians 赞美圣故（尤
指基督徒唱的颂扬上帝的歌），2
[usually sing.] if a film/ movie, book, etc. is a hymn to sth, it praises it very
strongly歌颂某事物的电影（或书等）IM see sing v.
| loos hypermedia
hymn book (also old-fashioned hym*nal /'hrnrnal/) nown a book
of hymns 赞美诗集
hype
/haip/
noun, verb
■
noun [U] {informal, disapproving) advertisements and
discussion on television, radio, etc. telling the public about a product and
about how good or important it is (电视、广播等中言过其实的）促销广告，促销讨论：
marfceting/media
/type夸张的促销/媒体广告◊ Don’t believe
all the hype_the book isn’t that good 别相信那 些天花乱坠的宣传——那本书没那么好。
• verb [VN] ^ sth
(up) [informal,
disapproving) to advertise sth a lot and exaggerate its
good qualities, in order to get a lot .of public attention for it 夸张地宣传（某事
物：）；：This
week his much hyped new movie opens in iondon.本周他那部被大肆炒作的新电影在伦敦上映。◊ The
meeting was hyped up in the media as an important event. +次会议被媒体吹成一件大事。
,hyped 'up adj. {informal) (of a person A) very worried or excited about sth that is
going to happen 十分担忧
的；很激动的；十分兴奋的
hyper /'haipa(r)/
adj.
(informal) excited and nervous; having too much
nervous energy既兴奋又紧张的；精力
过旺的
hyper- /_haipa(r)/./7re//x (in adjectives and nouns 构成形 容词和S 词)more than normal; too much 过度；过多：
hypercritical 批评苛刻◊
hyperte/isio/i 高血压、一compare HYPO-
hyper-active /.haipar'aBktrv/
adj. (especially of children
and their behaviour 尤指儿童及真行为）too active and only able to keep quiet and still for
short periods.过 分佘跃的；多动的►
hyper-activ.ity /.haiparaek'tivati/ noun [U]
hyperbaric /.haipa'baerik;
NAmE .haipar-/ adj. {physics 物）(of gas 气知)at
a higher pressure than normal 食气
压的；高压的
.hyper,baric 'chamber noun a chamber in which the
pressure is higher than normal, especially one in which people are treated
after swimming deep underwater
高压舱；复压舱
hyperbola
/hai'p3：b8la; NAmE -'p3：r-/ noun {pi. hyperbolas 〇r hyper-bolae /-li/)
a symmetrical open curve 双曲线 一 picture o conic section hyperbole /hai'p3：bali; NAmE -'p3：rb-/ noun [U, C, usually sing ] a way of
speaking or writing that makes sth sound better, more exciting, dangerous, etc.
than it really is 夸张 033 EXAGGERATION
hyperbol ic /.haipa'bDlik; NAmE -par'barl-/ adj. 1 {math- emat/cs 数）of or related to
a hyperbola 放曲线的 2
(of language 语言）deliberately
exaggerated; using hyperbole 夸张的； 夸张法的
hyper-cor-rec-tion /.haipaka'rekjn; NAmE-^rk-/ noun {U，，C] (//ng/v/sf/a 语.言）the use .of a wrong form or pronunciation
of a word by sb who is trying to show that they can use language correctly. For
example, the use of / instead of me in the sentence "They invited my
husband and I to dinner’..矫枉过正;纠头
hyper-gly-caemia
(fir£) {NAmE hyperglycemia) 入haipaglai'si:mia; AM/rjf
-parg-/ A7〇w/7
[U] (woZ/cfl/ 医）the condition of having
too high a level ot blood sugar 高 血糖_
hyper-in-fla-tion /.haiparm'fleijn/ noun [U] a situation in which
prices rise very fast, causing damage to a country^ economy恶性通货膨胀；超通货膨胀；过度通
货膨胀>
hyper-link /'haipalirjk;
NAmE -pari-/ (also hot-link) noun a place in an electronic
document on a computer that is linked to another electronic document 超级链 接；超链接：CZicfc on the hyperZinfc.点击超级链接。 —picture o page R7
hypermarket /'haipamaikit;
NAmE -parmarrk-/ noun (Br£) a very large shop located outside a
town, that sells a wide range of goods特大型超市（坐落在城外，商品种
类繁多）
hypermedia /.haipa'miidia; NAmE -par'm-/
noun [U] (computing if) a
system that links text to files con-