Bipolymer
二(元共)聚物
🗣️ 情景例句
Three minutes to play.
还剩三分钟。
A light purse is a heavy curse.
为人无钱处处难。
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。