[jiā rù]
（加上） add; mix; put in
[動]
（參加） join;accede to;take part in
join in the stream of people
加入人流
accede to a treaty
加入條約
join the Communist Party
加入共產(chǎn)黨
All of us joined lustily in the chorus.
我們?nèi)紕蓬^十足地加入了合唱。
As the guide was showing us round the museum, two or three foreign tourists joined themselves on to our party.
導(dǎo)游領(lǐng)著我們參觀博物館時， 有兩三個外國游客也加入了我們的行列。
I'll take part in everything good you do.
我將采取一切你做的好的部分。