加入的英文：
become a member
join
mix into
participate in
to add in

参考例句：

Join us and be part of the team.
加入我们的队伍吧。

Add a dash of balsamic vinegar.
加入少许香脂醋。

Enlist in a crack infantry regiment
加入赫赫有名的团队.

Amy wants to join the Birdwatching Club.
艾米想加入观鸟俱乐部。

He had began his motion-picture career as a writer
他加入电影界时，是写剧本的。

The reversion frequency is increased by the addition of mutagens
逆转的频率靠加入诱发变因素而增加。

The flour was fortified with vitamins.
这面粉因加入各种维他命而提高了营养价值。

If you join the club you must aide by its rules.
你若要加入俱乐部，就是遵守其规章。

The friends canted so no one could join their conversation.
这些朋友们说行话，所以没人能加入他们的谈话。

Cause sb to join a group secretly,esp to spy on its members
使某人秘密加入一集团;(尤指)安插眼线或坐探

become是什么意思：
v. 成为；变得；适合；相称

To become blunt.
变钝，变迟钝

To become inflated.
膨胀变得充了气的。

To become firm or gelatinous; congeal.
凝固凝结或变硬；冻结

member是什么意思：
n. 成员；分子；身体部位；下院议员

Private member( member of the House of Commons who is not a minister)
普通议员(下议院中非内阁成员者).

The gap would be mold of the member.
缝隙将是构件的铸模。

There are members of both sexes in the committee.
委员会里男女委员都有。

join是什么意思：
v. 连接，接合；会合，交汇；加入，参加
n. 连接，接合；连接处，接合点

join battle with
接战|交战|剧烈争辩|开始比赛

To join or be joined end to end;abut.
首尾相连在末端相连或毗连；邻接

The system tried to delete the JOIN of a drive that is not joined.
系统试图解除未合并驱动器的JOIN。