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
I promise I won't leave early.
我发誓我再也不会早走了。
I'm afraid I have some rather bad news for you.
我恐怕有些很坏的消息要告诉你。
The mobile phone is as popular as the beeper nowadays.
现在手机和寻呼机一样普及。