时间: 2025-04-26 20:18:22
美: [kræk]
英: [kræk]
vt. 使破裂;打开;变声
vi. 破裂;爆裂
n. 裂缝;声变;噼啪声
adj. 最好的;高明的
最后更新时间:2025-04-26 20:18:22
词源分析:Crack源自古英语“cracian”,意为“破裂”。其词根为“crack”,没有前缀,后缀变化较少,主要是词形变化。
历史背景:该词在英语中的使用可以追溯到14世纪,最早出现在一些古代文学作品中,特别是在描述破裂或声响时。
课本:在**的教材中,crack可能出现在初中或高中的英语书籍中,尤其是在与物理、科学或日常生活相关的内容中;在牛津或美国的教材中,通常出现在与日常交流或文学作品中,适合中学阶段。
正式与非正式语境:
特殊场合:
The ice began to crack under the weight of the skater.
(冰在滑冰者的重量下开始裂开。)
She noticed a crack in the wall that needed repair.
(她注意到墙上有一个需要修理的裂缝。)
The detective found a crack in the suspect's alibi.
(侦探发现嫌疑人的不在场证明中有破绽。)
The sound of the crack echoed through the empty hall.
(裂响的声音在空荡荡的大厅里回荡。)
He is a crack shot, winning every shooting competition.
(他是个出色的射手,赢得了每一次射击比赛。)
同义词:
反义词:
通过这些分析和例句的帮助,您可以更全面地理解和使用“crack”这个词。
[V-T/V-I] If something hard cracks, or if you crack it, it becomes slightly damaged, with lines appearing on its surface. 使…破裂; 破裂
例:A gas main had cracked under my neighbour's garage and gas had seeped into our homes.邻居家车库下的煤气主管道破裂了,煤气渗漏进我们家。
[V-T/V-I] If something cracks, or if you crack it, it makes a sharp sound like the sound of a piece of wood breaking. 使…噼啪作响; 发出辟裂声
例:Thunder cracked in the sky.空中雷声炸响。
[V-T] If you crack a hard part of your body, such as your knee or your head, you hurt it by accidentally hitting it hard against something. 撞击
例:He cracked his head on the pavement and was knocked cold.他的头撞着了路面,撞昏了。
[V-T] When you crack something that has a shell, such as an egg or a nut, you break the shell in order to reach the inside part. 叩开
例:Crack the eggs into a bowl.把鸡蛋打到碗中。
[V-T] If you crack a problem or a code, you solve it, especially after a lot of thought. 破解 (难题、密码)
例:He has finally cracked the system after years of painstaking research.经过数年的艰苦研究,他最终破译了该系统。
[[非正式]] If someone cracks, they lose control of their emotions or actions because they are under a lot of pressure. (精神) 垮掉
例:She's calm and strong, and she is just not going to crack.她冷静而坚强,决不会垮掉的。
[V-I] If your voice cracks when you are speaking or singing, it changes in pitch because you are feeling a strong emotion. (嗓音) 突然变化
例:Her voice cracked and she began to cry.她失声哭了起来。
[V-T] If you crack a joke, you tell it. 说 (笑话)
例:He drove a Volkswagen, cracked jokes, and talked about beer and girls.那时他开着一辆大众牌汽车,讲着笑话,谈论着啤酒和女孩。
[N-COUNT] A crack is a very narrow gap between two things, or between two parts of a thing. 裂缝
例:Kathryn had seen him through a crack in the curtains.凯瑟琳曾从帘子的裂缝看到过他。
[N-COUNT] A crack is a line that appears on the surface of something when it is slightly damaged. 裂纹
例:The plate had a crack in it.这盘子上有条裂纹。
[N-SING] If you open something such as a door, window, or curtain a crack, you open it only a small amount. 缝隙
例:He went to the door, opened it a crack, and listened.他走到门边,把门打开一条缝,听了起来。
[N-COUNT/SOUND] A crack is a sharp sound, like the sound of a piece of wood breaking. 爆裂声
例:Suddenly there was a loud crack and glass flew into the car.突然一阵巨大的爆裂声,碎玻璃飞溅进了车内。
[[ADJ n]] A crack soldier or sportsman is highly trained and very skilful. 训练有素的
例:...a crack undercover police officer.…一名训练有素的卧底警察。
[N-COUNT] A crack is a slightly rude or cruel joke. (挖苦人的) 笑话
例:Tell Tracy you're sorry for that crack about her weight.告诉特蕾西你对那个有关她体重的玩笑感到抱歉。