Pentosamine
[化] 戊糖胺
🗣️ 情景例句
No, Mom. We had a great time.
不， 妈妈。我们玩得很高兴。
Virtue is a jewel of great price.
美德是无价之宝。
I usually come by bus. What about you?
我平常乘公共汽车。你呢？