Enanthaldehyde
庚醛
🗣️ 情景例句
I've known Martin for years.
我认识马丁好多年了。
When could we typically expect delivery?
我们希望常规的发货时间是什么时候呢？
Dan Robinson has been worried all week.
丹。鲁宾逊焦虑了整整一个星期。