thousands of times造句

1、Thomas Edison failed thousands of times before he succeeded in producing the first electric lamp.
托马斯?爱迪生就是在失败了数千次之后才成功地发明了第一盏电灯。

2、Carbon nanotubes are rolled-up sheets of graphite thousands of times thinner than a human hair.
碳纳米管是由比人的头发细千倍的石墨板卷曲成的管状结构。

3、Thomas Edison failed thousands of times before he succeeded in inventing the first electric lamp.
托马斯·爱迪生在失败了数千次之后才成功地发明了第一盏电灯。