Streptobiosamine
链霉(菌)二糖胺
🗣️ 情景例句
And?
结果呢？
When was the last time he wrote you ?
他给你写最后一次是什么时候？
We invited them to our party but they decided not to come.
我们请了他们参加聚会，但他们决定不来。