boomerparents/Americanfilmratingsystem英文解释这两个词组boomerparentsAmericanfilmratingsystem请帮忙用英文解释这两个词组不要太长简介明了就好
<p>问题：boomerparents/Americanfilmratingsystem英文解释这两个词组boomerparentsAmericanfilmratingsystem请帮忙用英文解释这两个词组不要太长简介明了就好<p>答案：↓↓↓<p class="nav-title mt10" style="border-top:1px solid #ccc;padding-top: 10px;">耿昌茂的回答：<div class="content-b">网友采纳 boomerparents： Thoseparentswhowerebornintheyearswithhighrateofbirthinthepast,andwithineachfamily,therewerelotsofchildren. Americanfilmratingsystem: ItisatypicalAmericansystemdesignedformovies,whcihdividesthemoviesintodifferentlevelandstandardmarkedwithA,B,Dandsoon.
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