Diethylallylacetamide
二乙烯丙醋胺
??? 情景例句
Would you do me a favour look around your factory?
能否幫忙帶我看一下你們工廠？
Come to see me tomorrow if it is convenient to you.
你如果方便的話，明天來看我。
It is, in fact, a primitive type of calendar.
事實(shí)上是一種最原始的日歷。