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
Yes, I'm sure I can.
是的，当然可以。
A man is not good or bad for one action.
判断人的好坏不能凭一次行为。
Where?
在哪儿？