Etheride
酰卤化物
🗣️ 情景例句
In America, it is generally thought that being a workaholic is unhealthy and harmful.
在美国，一般认为工作狂是不健康且有害的。
It is our permanent principle that contracts are honored and commercial integrity is maintained.
重合同、守信用是我们的一贯原则。
She can't come. She has to help her Mommy!
她不能来。她得帮她妈妈的忙！