What he saw was alive—he described it as " many very little living animalcules, very prettily a-moving."

看到是活——其描述为“许多非常小活体动，非常漂亮地在移动” 。

The biggest of which " shot through the water (or spittle) like a pike does through the water." What he had discovered in the plaque from his teeth—the " animalcules" —were bacteria.

其中最一个“像梭子鱼穿过水一样穿过水（或唾沫）。 ” 在牙齿牙斑中发现东西 - “小动” - 是细。

And it may be asked what advantage, as far as we can see, would it be to an infusorian animalcule—to an intestinal worm—or even to an earth-worm, to be highly organised.

可能有人会问， 就我们所知， 高度组织化对纤毛虫——对肠道蠕虫——甚至对蚯蚓有什么好处。

Using microscopes of his own design that could magnify up to 270 times, he examined a drop of water from a nearby lake and found it teeming with tiny creatures he called' animalcules'.

使用自己设计放倍数高达 270 倍显微镜检查了附近湖中一滴水，发现其中充满了称之为“小动”微小生。