上课时, 不可做和课程不相关的事,或随意与同学聊天,扰乱课堂纪律。
Do not chat, disturb others, or do anything else unrelated in the classroom.
附加功能包括与教授和同学视频聊天,无限制地通过视频和白板浏览材料和课程。
Additional features include video chat with peers and professors, unlimited access to lecture materials and office hours via video and whiteboard.
在那里我可以通过与外国人或我的同学聊天来练习我的英语口语。
There I can practice my oral English by talking with foreignersor chatting with my schoolmates.
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