Galactosamine
n. [生化]半乳糖胺,氨基半乳糖,软骨糖胺
🗣️ 情景例句
Where do I register for classes?
我在哪儿登记我上的课？
I feel terrible, but I've just broken your ashtray.
真是很抱歉，我刚才打破了你的烟灰缸。
Diamond necklaces and rings had been beautifully arranged on a background of black velvet.
钻石项链、戒指漂亮地陈列在黑色丝绒上面。