Dextrinase
糊精酶
🗣️ 情景例句
There are a lot of beggars on the street, how can we help them?
街上的乞丐那么多，我们怎么能帮助他们呢？
I wrote to him last Friday.
我上个星期五写信给他。
Oh, I usually come on foot.
噢，我常步行来。