Areometric
[医] 液体比重测定法的
🗣️ 情景例句
Hello. This is an emergency. Can you please send an ambulance?
喂，这儿有急病患者，请派一部救护车来。
Men too seldom see their own faults.
人们很少能看到自己的过错。
He's not in his office at the moment.
他现在不在办公室里，