Chekenon
[医] 恰凯农(南美丁香叶中的一种结晶性成分)
🗣️ 情景例句
Stone has been out of work for three months.
世通已失业三个月了。
Please come in and have a orange.
请进来吃一个桔子。
They are paid by the hour.
他们按时取酬。