Hondrometer
粒度计, 微粒特性测定计
🗣️ 情景例句
You said you wanted to be a doctor like your father.
你说过你希望像爸爸一样成为一名医生。
I have no idea what they're going to say, so I'll have to play it by ear.
我一点不知道他们将会说些什么，所以我只好见机行事。
Spring is a pretty season，
春天是一个好季节。