Macrofractography
断口低倍检验, 断口宏观检验
🗣️ 情景例句
No smile, no surprise.
不笑 ，就不给你惊喜。
Idle people (folks) have the most labour (take the most pains).
懒人做工作，越懒越费力。
It's nothing. Don't worry. You'll be OK, said Li Lei. But you'd better not talk.
“这算不了什么。不要着急。你会好的”，李垒说，“但你最好不要说话”。