Chloroformate
氯甲酸酯
🗣️ 情景例句
Well, I wasn't clear about my future,
我对自己的未来当时也不清楚，
In my opinion, the product must be priced under $ 300.
就我的意见来说，产品价格必须订在300美元以下。
We had some shoes like those a month ago,but we don't have any now.
一个月前我们有这要的鞋。但是现在没有了。