Electronfractography
断口电子显微镜检验
🗣️ 情景例句
I don't understand. Did you exercise or not?
我搞不懂 ，你到底作了健身操没有？
Be honest rather clever.
诚实比聪明更要紧。
Topsail is a famous little boat.
“涛波赛”号是艘有名的小艇，