Monorails
n. 单轨（铁路）( monorail的复数形式 ); 单轨索道
🗣️ 情景例句
There aren't window seats left, but a few enter seats are open.
那些靠窗的位子已没有了，但里面的位子还有。
Every medal has its reverse.
事物都有它的反面。
Live animals? I didn' t know we were going to take live animals with us, Sir.
活的动物？我还不知道我们要带活的动物，先生。