Unit 38 Why Can Water Striders Walk Smoothly on Water?
水黾为何能在水面上行走如飞?。
Some, like long-legged water striders, maintain a small measure of distance from the water with a cushion of air that lets them skate on the surface.
一些昆虫，比如长腿水黾与水面保持一定距离，利用空气垫在水面滑行。
"Our research group studies a lot of biologically inspired fluid mechanics problems, such as how snails use slime for locomotion, or how water striders walk on water, " Nasto says.
我们小组从生物界获取灵感，研究了大量相关流体力学问题，比如蜗牛如何运用黏液进行移动、水黾如何在水上行走。
"Our research group studies a lot of biologically inspired fluid mechanics problems, such as how snails use slime for locomotion, or how water striders walk on water, " Nasto says.
我们小组从生物界获取灵感，研究了大量相关流体力学问题，比如蜗牛如何运用黏液进行移动、水黾如何在水上行走。
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