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
OK.
好的。
No,I'm not married.I'm still single.
没有,我没结婚，仍然是单身.
Last week, my four-year-old daughter, Sally, was invited to a children's party.
上周，我4岁的女儿萨莉被邀请去参加一个儿童聚会。