1、Thomas Edison failed thousands of times before he succeeded in producing the first electric lamp.
托馬斯?愛迪生就是在失敗了數(shù)千次之后才成功地發(fā)明了第一盞電燈。

2、Carbon nanotubes are rolled-up sheets of graphite thousands of times thinner than a human hair.
碳納米管是由比人的頭發(fā)細(xì)千倍的石墨板卷曲成的管狀結(jié)構(gòu)。

3、Thomas Edison failed thousands of times before he succeeded in inventing the first electric lamp.
托馬斯·愛迪生在失敗了數(shù)千次之后才成功地發(fā)明了第一盞電燈。

thousands of times翻譯