这只3英寸(7.6厘米)长的昆虫——类似于现代的蜉蝣类——在迈开腿起飞之前已经在泥土里待了足够长的时间，留下了一个完美的印迹。
The 3-inch (7.6-centimeter) insect-which resembles a modern mayfly-likely stayed in the mud long enough to move its leg before flying off, leaving a perfect impression.
跳蚤蚤目的各种小型、无翅吸血昆虫中的任一种，长有适于跳跃的腿，寄生在温血动物身上。
Any of various small wingless bloodsucking insects of the order siphonaptera that have legs adapted for jumping and are parasitic on warm-blooded animals.
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。
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.
昆虫谜语三妹身披黄衣裳，腰儿细来腿儿长。
The insect riddle three sisters bodies drape yellow clothes , the middle son is thin come to the leg son grow.
昆虫谜语三妹身披黄衣裳，腰儿细来腿儿长。
The insect riddle three sisters bodies drape yellow clothes , the middle son is thin come to the leg son grow.
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