HSK 4 · noun
线上
online (as opposed to offline)
这个课程可以在线上学。
Zhège kèchéng kěyǐ zài xiànshàng xué.
This course can be studied online.
会议届时在线上举行。
Huìyì jièshí zàixiàn shàng jǔxíng。
The meeting will be held online at that time.
运动员们站在起跑线上。
Yùndòngyuán men zhàn zài qǐpǎoxiàn shàng。
The athletes are standing at the starting line.
工人们正在生产线上工作。
Gōngrén men zhèngzài shēngchǎnxiàn shàng gōngzuò。
The workers are working on the production line.