Elaterometer
[化] 气体密度计\\n[医] 气体密度计
🗣️ 情景例句
Yes, we'll be arriving by car about ten o'clock Friday night.
是的， 我们将于星期五晚上十点钟左右开车抵达。
You'd better go at once, hadn't you?
你最好马上走，不对吗？
This is No. 1 Machine Shop. Keep together, please! said Uncle Wang.
“这就是第一机械车间。 请大家靠拢点！”王大叔说。