Dihydrocoumalin
二氫香豆素
??? 情景例句
Because we like each other.
因為我們彼此喜歡。
No possession, but use, is the only riches.
真正的財富不是占有，而是使用。
I'd like to know some information about the current investment environment in your country?
我想了解一下貴國的投資環(huán)境。