昆虫在水面滑行。
好多细菌没有鞭毛也没法靠自己的力量运动,同时还有一些细菌可以通过一些尚不确知的机制在水面滑行。
Many bacteria lack flagella and cannot move about by their own power, while others can glide along over surfaces by some little-understood mechanism.
这种昆虫在水面上滑行的能力一直被认为是在现代才有的。
The ability of today's insects to skim the surface of water is thought to be a modern invention.
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