Urometer
[医] 尿比重计
🗣️ 情景例句
and he made the weekend very easy for us to enjoy.
使得我们的周末过得非常轻松愉快。
Light come,light go.
易得则易失；来得容易去得快。
That's OK.We really need the material.
没关系，我们急着要这些原料。