🧩 词语组成解析
🗣️ 情景例句
I'm on the top floor.
我在顶层。
Photography is an expensive hobby.
摄影是门花费很多的爱好。
riding on its air cushion over a single rail, which it never touches,at speeds up to 300 m.p.h.----the possibilities appear unlimited.
靠气垫在单轨上行驶而不接触轨道，时速可达每小时300英里。气垫船的前途是不可限量的。