Polyhedra
polyhedron 的复数
🗣️ 情景例句
That's what I said.
我也是这么说。
A tall tree catches the wind.
树大招风。
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。