Vibrocorer
振动采样管
🗣️ 情景例句
I'd never been away from home,
我从来没有离开过家，
The war threatened his well-being.
战争威胁他的幸福。
Though a number of descents have been made, much of it still remains to be explored.
人们多次进入洞内探险，但至今尚有不少东西有待勘探。