You are viewing a single comment's thread from:RE: To have a trip by high speed rail 乘着高铁去旅行View the full contextView the direct parentsdream (49)in #travel • 7 years ago 我们——工匠正在研究如何把钢轨磨得更滑溜，好让列车的颠簸少点儿。
你的工作真是太伟大了， 令人敬佩。