Chitinase
几丁质酶, 甲壳质酶, 壳多糖酶
🗣️ 情景例句
I always go back to the city in a wonderful state of mind.
我再回到城里时， 精神总是十分饱满。
I'm sorry. I was just playing football with my friends.
对不起，我只是和朋友去踢了足球。
I'm poor, but I always enjoy myself! he said. I don't know why!
“我很穷，但我总是过得很愉快！”他说，“我不懂为什么！”