Liquidensitometer
液体密度计
🗣️ 情景例句
Well,
是的，
I used to take a walk in the early morning.
我过去常一大早出去散步。
My brother has never been abroad before, so he is fending this trip very exciting.
我弟弟以前从未出过国，因此，他觉得这次旅行非常激动人心。