解释do sth by doing
by to do sth=by doing sth吗
what do you mean by doing sth?
用do sth.by doing sth造句 math physics chemist
用 do sth by doing sth和do sth by mistake 造句
解释like to do sth&like doing sth
V+by+doing sth
by doing sth造句
造10个英语句子,关于 do sth by doing
用“do sth by doing”(通过.做某事)造句
by doing sth.可以省略by吗?
By doing 还是 By do?
use sth doing sth还是use sth to do sth