join in的用法和樣例：
例句
- They are going to join in the singing.
他們將參加唱歌。 - He never joined in the usual sports of the boys.
他從不參加孩子們的一般體育活動。 - I'll persuade him to join our club.
我將勸他加入我們的俱樂部。 - They tried to get a foot in the door.
他們試圖加入進來。
辭彙搭配
- join in 參加
- join in the laugh 隨著大笑
