Galactosamine
n. [生化]半乳糖胺,氨基半乳糖,軟骨糖胺
??? 情景例句
Do I have to get it done by noon?
我必須在中午以前做完嗎？
I have lovely friends.
我有可愛的朋友。
Oh, cheer up!perhaps we didn't to do badly.
啊，別灰心！或許我們考得還不太糟。