Dimethylpurine
[化] 二甲基嘌呤
??? 情景例句
That's too rich for my blood.
對我來說太貴了。
True love kythes in time of need.
患難顯真情。
We can read of things that happened 5,000 years ago in the Near East,
我們從書籍中可讀到5，000 年前近東發生的事情，