题目内容：

be expert at doing sth的一个问题
首先一句话 children become expert at holding their breath under water even
我想知道这句话even能放到become前或者become后吗 如果可以哪种表达方式更高端些

优质解答

children even become expert at holding their breath under water,放在become前更符合表达习惯