有趣的是我们注意到，虽然培根在13世纪末期就使用放大镜了，但直到17世纪才由列文虎克将放大镜对准一滴水。

It is interesting to note that magnifying lenses were used by Bacon in the late 1200s, but had never been focused on a drop of water until the 1600s by Leeuwenhoek.

youdao

有趣的是我们注意到，虽然培根在13世纪末期就使用放大镜了，但直到17世纪才由列文虎克将放大镜对准一滴水。

It is interesting to note that magnifying lenses were used by Bacon in the late 1200s, but had never been focused on a drop of water until the 1600s by Leeuwenhoek.

youdao