Chitinase
几丁质酶, 甲壳质酶, 壳多糖酶
🗣️ 情景例句
Whereabouts are you headed?
你要去哪？
Bite off more than one can chew.
贪多咽不下。
People travelling long distances frequently have to decide whether they would prefer to go by land, sea, or air.
出远门的人常常需要决定是走旱路、水路，还是坐飞机。