Monorail
n. 单轨铁路\\n[化] 单轨梁
📖 牛津释义
monorail
n[U, C]
railway system in which trains travel along a track consisting of a single rail, usu placed high above the ground 单轨, 单轨铁路（通常指高架的）.
🗣️ 情景例句
A couple of weeks.
两、三个星期吧。
Would you like to leave your name?
你想要留下你的名字吗？
Then he remembered his comrade downstairs.
然后他想起楼下的同志。