Vibrocorer
振动采样管
🗣️ 情景例句
It's OK, lady. Take your time.
没关系， 太太。慢慢来。
I haven't seen you for age. You haven't been sick, have you?
好久不见。你不是病了吧？
Are they with you in China?
他们都和你一块儿在中国吗？