Melibiase
蜜二糖酶
🗣️ 情景例句
I've got to keep my nose to the grindstone to support my family.
我拼命工作养家。
This knife is dirty.Would you bring me a clean one,please?
这把刀子是脏的.请你给我干净的一个,好吗？
One evening, however, he failed to arrive.
可是，有一天晚上，它出去后再也没回来。