Pfe
频率效应百分数
🗣️ 情景例句
but he has to work today,
但他今天工作忙，
Here is a copy of itinerary we have worked out for you and your friends.Would you please have a look at it?
这是我们为你和你的朋友拟定的活动日程安排。请过目一下，好吗？
January.
1月。