Areopyknometer
[机] 比重瓶比重计
🗣️ 情景例句
you can pay the mortgage every month.
你们能每月按时付款。
Sometimes I miss home cooking.
我有时想念家乡菜。
Dad, this bag is too big. We can't carry it.
爸爸，这个包太重了，我搬不动。