Ribosylthymine
胸腺嘧啶核糖核苷, 核糖基胸腺嘧啶
??? 情景例句
and we have Popo the Clown to entertain you.
我們請了小丑Popo來給大家表演助興。
The first thing on the agenda is the drop in sales.
在議程上第一件事就是銷售額下降了。
When he died at the age of eighty,
他80歲那年死去時，