Em.
abbr. 放射（emanation）
例句
Only I think it ought to be teach 'em, not learn 'em.
我只是认为应该是教训他们，而不是领教他们。
Don't let 'em get away.
别让他们跑掉。
《牛津词典》
There was also two other men there with 'em too.
另外还有两个男人也和他们在一起。
《柯林斯英汉双解大词典》
