Micropicnometer
[化] 微量比重瓶
🗣️ 情景例句
What do you do?
你现在做什么工作？
The two parties involved in a contract have the obligation to execute the contract.
合同双方有义务履行合同。
On his way to the sweet shop, he dropped his fifty pence and it bounced along the pavement and then disappeared down a drain.
在他去糖果店的路上，50便士掉在地上，在人行道上跳了几下，掉进了阴沟里。