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.
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。
Data from the high-resolution flight images allowed the researchers to create a near-perfect mathematical model of how the flexible, twisting wings propel the insect through the air.
由高分辨率飞行影像取得的数据使得研究人员能够建立近乎完美的数学模型，来揭示那柔软的、扭转的翅膀怎样推动昆虫穿过空气。
Its upturned mouth is perfect to snatch any hapless insect might falling into the water.
它向上弯的吻部可以完美地接住任何不幸落入水中的昆虫。
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