Urometer
[医] 尿比重计
🗣️ 情景例句
Sorry, we don't have any vacancies at the moment.
不好意思，目前我们没有任何的职位空缺。
If at first you don't succeed, try, try again.
初试不成功，努力勿懈怠。
Now, everyone. Listen, please.
同学们，请注意听。