come in on sth

• 参加； 加入

come in on sth的用法和样例：

例句

1. Please come to our English evening on Saturday.
   请参加我们星期六的英语晚会。
2. We will partake in the celebration.
   我们将参加庆典。
3. They tried to get a foot in the door.
   他们试图加入进来。
4. Then fold in the rest of the sugar and flavouring.
   然后加入剩下的糖和香料。