Microweighing
微量称量
🗣️ 情景例句
Shells she sells on the seashore are seashells I am sure.
我敢肯定她在海边卖的贝壳是海贝。
The whole thing was held up about half an hour.
整个事情耽搁了约半小时。
What's the time?
几点了？