HSK 5
在线
zàixiàn动
online; connected to the Internet; (fig.) (coll.) (of a person) mentally focused; engaged; (of skills, performance etc) sharp; on point; functioning at a high level
学生可以在线提交作业。
Xué shēng kě yǐ zài xiàn tí jiāo zuò yè.
Students can submit homework online.
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New in the HSK 3.0 word list at level 5.