他设法改进他的英语口语..
He managed / tried hard to improve his spoken English.
还没有人曾见过电..
Nobody's ever seen electricity.
杯子里盛满了啤酒..
The glass is filled with beer.
他设法改进他的英语口语..
He managed / tried hard to improve his spoken English.
还没有人曾见过电..
Nobody's ever seen electricity.
杯子里盛满了啤酒..
The glass is filled with beer.