Chitin
n. 几丁质, 壳多糖\\n[化] 壳多糖; 几丁质; 甲壳质
🗣️ 情景例句
His appearance is impressive.
他的外表给人印象深刻。
I am very much to blame.
都怪我不好。
Oh, I don't know. You decide!
哦，我不知道，你来决定。