Unstable crack growth
[化] 失稳裂纹扩展
🧩 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;
🗣️ 情景例句
No, I think it's important to do it now.
不 ，我觉得还是应该现在动手术。
I really don't know.
我真的不知道。
His boss might get angry with him.
他的老板也许会生他的气。