Panhydrometer
通用(液体)比重计
🗣️ 情景例句
Richard is a real Stewart. Richard
是个典型的Stewart家后代。
The agricultural region is centered largely in the north.
那里的农业区大部分集中在北部。
He prepared the speech carefully and went to the wedding with Jenny.
他认真准备了讲稿，带着珍妮一道去参加了婚礼。