Vibrocorer
振动采样管
🗣️ 情景例句
Thanks, I hope we meet again soon.
谢谢，希望我们能很快再见面。
Excuse me for being late.
对不起我迟到了。
My grammar is improving, but I find idioms and useful expressions hard to learn.
我的语法在进步，但我发现习语和有用表达很难学。