Chitin
n. 几丁质, 壳多糖\\n[化] 壳多糖; 几丁质; 甲壳质
🗣️ 情景例句
How do you do?
你好。
A bad workman quarrels with his tools.
拙匠常怨工具差（人笨怨刀钝）。
Then they slowly moved it farther and farther away.
然后，他们慢慢地把它移得越来越远。