Dimethylirigenin
二甲基鳶尾配基
??? 情景例句
He's still not used to life in the city.
他仍然沒有適應城市生活。
How can he give us such a tedious lecture!
他怎么能做這么沉悶乏味的演講。
Mr. Jones is with his family.
瓊斯先生同他的家人在一起。