Gravitometer
重差计(测定比重用)
🏥 医学释义
比重计，比重测定器
🗣️ 情景例句
I know who you are.
我知道你是谁。
So I appreciate your making time in your schedules to attend today.
因此非常感谢你们今天能够抽出时间来参加这次会议。
4 Think of a time when you were happiest. What were you doing?
4。想一想你感到最高兴的时刻。当时你在做什么？