Cobaltco
钴
🗣️ 情景例句
Being a mother is not easy,
当一个母亲真不容易，
Ill-gotten goods never prosper.
发横财，家不发
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。