生命线
word C2- lifeline
Its characters
From the library
但对于沿线的村民来说,绿皮火车却是他们连接外部世界的生命线。
Learn 生命线 in real texts
With a free account, hover any word in the library for its meaning, hear it read aloud, save words for review timed to your memory, and see how much of each book you already know.