Chitin
n. 几丁质, 壳多糖\\n[化] 壳多糖; 几丁质; 甲壳质
🗣️ 情景例句
Grandpa, get the net, please!
爷爷 ，请把网子拿来！
I will be leaving the hospital in December.
我将在十二月份出院。
Yes. You have to practise a lot.
是的，你得大量的练习。