Polyadelphite
锰铁榴石
🗣️ 情景例句
My wife Marilyn, my father and mother,
我太太Marilyn， 我父亲和母亲，
Could you tell me where is the elevator?
你能不能告诉我电梯在哪里？
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。