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.
小船轻捷地在水面向前滑行着。
水黾可以在水面上停留并具有快速滑行和跳跃的活动机能。
Water strider is a kind of insect that has the active function of staying, sliding and leaping on water surface.
水黾可以在水面上停留并具有快速滑行和跳跃的活动机能。
Water strider is a kind of insect that has the active function of staying, sliding and leaping on water surface.
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