Crack extension force
[化] 裂纹扩展力
🧩 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;
force
[fɔ:s]
n. 力;武力;（社会）势力;魄力;
vt. 强迫;强行;促使，推动;强奸;
🗣️ 情景例句
It'll only take a few minutes.
只要几分钟时间。
We used to have a lot of fun when we were that age.
当我们是变老时，我们过去常有很多趣事。
It's been open for several years.
它建成已有好几年了。