Hexosidase
己糖酶
🗣️ 情景例句
I would like to send this by registered mail, please.
我想把这封信挂号寄出。
I generally agree with you.
我大体上同意你的看法。 九、 Asking For Help 请别人帮忙
Last year was a bad year for the company. There was a big fall in sales.
去年公司不景气。销售额骤减。