他们阅读聊天
They read and chat
以上为机器翻译结果，长、整句建议使用 人工翻译 。
他们可在聊天室里以文字形式与同学讨论问题、向老师请教，还可在课上或课下随时阅读课堂笔记。
Them but in chat room in with writing form with classmate discussion problem, ask teacher for advice, can be still on lesson or read classroom notes at any time under lesson.
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