Oleorefractometer
油折射计
🗣️ 情景例句
Good afternoon, sir.
下午好。
We'd have to compare notes on what we've discussed during the day.
我们想用点时间来研究讨论一下白天谈判的情况。
Do you think you'll be able to go to sleep right away?
你认为你马上就能睡着吗？