Corvusite
水复钒矿
🗣️ 情景例句
Please drive carefully.
请小心开车。
How do you spend your leisure time?
你怎样打发业余时间？
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。