Chitin
n. 几丁质, 壳多糖\\n[化] 壳多糖; 几丁质; 甲壳质
🗣️ 情景例句
Look, they have a special offer on leather shoes.
看，他们这儿皮鞋有特殊优惠。
You're overdoing it.
别那么夸张。
Is that an English car?
那是辆英国产的小汽车吗？