Areopyknometer
[机] 比重瓶比重计
🗣️ 情景例句
Hmm. It's probably nothing.
嗯， 也许没什么事。
How long could the buyer expect your product to last?
购买者期望你们产品的使用期是多久呢？
Her tooth ached all night.
她牙疼了一整夜。