Unitrope
单位重切面
🗣️ 情景例句
Sure, Dad.
一定， 爸爸。
In college I majored in history, What was you major?
大学时我主修历史，你主修什么呢？
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。