Crack-ups
n. （精神的）崩溃, 瓦解；（飞机等）撞碎；（身体的）衰退
🧩 词语组成解析
crack
[kræk]
vt. 破裂，打开;（使…）开裂;说（笑话）;开瓶;
vi. 断裂，折断;碎裂声，爆裂声;镜子破裂了;失去控制，衰退;
n. 裂缝;试图;缝隙;（可听到响声的）重击;
adj. 训练有素的;技艺高超的;优秀的;一流的;
不间断电源\\n[计] 不间断电源
🗣️ 情景例句
John, what are you going to do?
约翰，你要干嘛？
We'll have to check these rates against those charged by other suppliers.
我们必须核查一下由其他供应商提供的费率。
He did not see the bag until it was too late.
等他看见袋子时已经太晚了。