词典释义：
双语例句
Aim: To investigate therapy methods for children With recurrent respiratory tract infection (RRI).
目的：探讨治疗反复呼吸道感染（RRI）的方法。
Aim : To investigate therapy methods for children With recurrent respiratory tract infection ( RRI ).
目的: 探讨治疗反复呼吸道感染 ( RRI ) 的方法.