phrases for chapter 21. be popular with…受…欢迎 tom and jerry is popular with children.2. cartoon characters卡通人物 mickey is one of the most popular cartoon characters.3. be full of… 充满…;装满… the short cartoon is full of fun.4. have a long history 历史悠久 the cartoons also have a long history.5. in the late 1930s 在20世纪30年代晚期 &nb
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