证实的）假说，假设 SEI THEORY: to /ormukite/ c〇7i_/iirm a hypothesis 提■出./ 证实假设_〇 a hypothesis about the/unction 〇/dreams 关于梦的作用的假说 2 [U] guesses and ideas that are not based on certain know- ledge (凭空的）猜想，猜测 HSR1 speculation ： It would be pointless to engage in hypothesis before we have the/acts.在我们还没掌握事实的情况下瞎猜是毫无意 义的。

hy-pothe-size (BrE also -tse) /hai'p^Gasaiz; NAmE-'pa:0-/ verb [VN, V that, V] (formal) to suggest a way of explaining sth when you do not definitely know about it; to form a hypothesis 假设；假定 hypo-thet-ic-al /.haipa'Oetikl/ adj. based on situations or ideas which are possible and imagined rather than real and true 假 的；假定的：a hypothetical question/sftuarion/exampte假定的问题/情况/例子◊ Let us take the hypothetical case of Sheila, a mother of two ...我们且举关于希拉这个假定的例子，她是一位有两 个孩子的母亲…◊/ wasn’t asfcfng about anybody in particular—ft was a purdy hypothetical question.我并 没有问到具体某个人-一一那不过是个纯粹假设性的问题。

► hypo-thet-ic-al-ly /-kli/ adv.

hypo thy-roid-ism /.haipau'Gairoidizam; /V/Amf -pou-/ A7〇w/i [U] 医）a condition in which the thyroid

is not active enougli，making growth and mental development slower than normal 甲 状腺功能减退 hypoxaemia (er£) [NAmE hyp-ox-emia) /.haipDk- ‘si:mia; AMmf -pa:k-/ noi//r[U] 医)■ a lower than

normal amount of oxygen in the blood _氧血；低血氧 hyp-oxia /hai'poksia; NAmE -'pa:k-/ noun [U] (medical 1£) a condition in which not enough oxygen reaches the body*s tissues 缺氧；低氧

hyrax /'hairaeks/ noun an animal that looks like a rabbit but is related to the elephant 蹄兔（有蹄哺乳

动物，并非兔子）

hys-sop /'hisap/ noun [U] a small plant of the mint family海索草_

hys-ter-ec-tomy /.histe'rektami/ noun {pi. -ies) [c, u] a medical operation to remove a woman’s womb 子宫切

除（术j

hys-teria /hi'stiaria; NAmE -'stir-/ noun [U] 1 a state of extreme excitement, fear or anger in which a person, or a group of people, loses control of their emotions

1007 Hz

and starts to cry, laugh, etc.歇斯底里；情绪狂暴不可抑 止：There was mass hysteria when the band came on stage.乐队登台时观众一片疯狂。note 〇/hysteria crept into her voice.她的声音听来有点歇斯底里。

2 (disapproving) an extremely excited and exaggerated way of behaving or reacting to an event 大肆鼓吹； 狂热夸张；大惊小怪：the usuaZ media hysteria that surrounds royd visits媒体对于王室成员访问的惯常的大 肆渲染◊ puWic hysteria about AIDS公众对艾滋病谈虎色 变 3 (weiz/cfl/ 医）a condition in which sb experiences violent or extreme emotions that they cannot control, especially as a result of shock 癔病；歇斯底里

hys-ter-ic-al /hi'sterikl/ adj. 1 in a state of extreme excitement, and crying, laughing, etc. in an uncon- trolled way歇斯底里的；情绪狂暴不可抑止的：hysteria^ screams 歇斯底里的尖叫 ◊ a hystericaZ giggZe 关法控 制的傻笑◊ He became a〖most hysterica? when I toW him. 我告也时，他几乎要发疯了。◊ Let’s not get hysterical 咱们别太激'动。◊⑼Sapprav/Vig) ffe thought J was bei'ng a hystericai /emaZe.他觉得我当时像个歇斯底里的 女X。2 (/n知extremely funny 极其可笑的 PUT! hilarious ： She seemed to find my situation absolutely hysterical她知像觉得我的处境极端可笑。ESS Some speakers do not pronounce the ‘h’ at the beginning of hysterical and use ‘an’ instead of ‘a’ before it. This now sounds old-fashioned.有人说 hysterical 时不发 h 音，前 面用an而不用a，现在听起来过时了。►hys_terical-ly /-kli/ adv. ： to iaugTi/cry/scream/sob hystericaHy 歇斯 底里地大笑/大哭/尖叫/哭泣◊ ZiystericaHy^rmy极其 可笑₄

hys*terics /hi'steriks/ noun [pi.] 1 an expression of extreme fear, excitement or anger that makes sb lose control of their emotions and cry, laugh, etc.歇斯底里 的表现：He went into hysterics when he heard the news. 他听到这个消息时变得歇斯底里。2 (/n/omw/) wild laughter 狂笑：She had the audience in hysterics. M 令观众捧腹大笑。UsLy have hysterics (informal) to be extremely upset and angry 极其愤怒：My mum7Z have hysterics when she sees the colour of my hair.

我的头发的颜色会火冒三丈的。

Hz (in writing) hertz (书写形式）赫，赫兹