互动封闭仿真课堂
1、智能交互 2、电子板书式视频教学 3、在线互动问答 4、封闭课堂启发式教学方式
随堂测试、知识梳理、易错点揭示、总结启迪智能错题本
听课中的错题能自动加入错题本，课后可方便复习及导出错题本升级服务
在线答疑、课后同类题练习、讲义下载、短信提醒1. be in tears 含泪，泪流满面
例：Most of us were in tears by the time he’d finished his story.
他讲完故事时，我们大多数人都已泪流满面。
2. have tears in one’s eyes 眼里含着泪水
例：Jane turned to me with tears in her eyes, and Begged me to help her.
简眼里含着泪水转我, 恳求我帮帮她。
3. burst into tears 放声大哭，突然哭起来
例：Laura burst into tears and ran out of the room.
劳拉突然哭了起来，然后从房子里跑了出去。
4. tears roll/run down one’s cheeks 泪水顺着脸颊淌下来
例：He stood silently, tears rolling down his cheeks, while the music played.
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