The flapping wings of the hovering robotic insects (known as ornithopters) are very thin, lightweight and yet strong.
机器飞虫（被称为扑翼机）扑打的翅翼非常纤薄、轻质，却很牢固。They beat the water vigorously with quick, downward strokes, forcing him to the surface.
这双手敏捷而有力地在水中扑打着，不停地向下摆动，迫使他浮向水面。Under the sun, the sand flying all over the sky like red iron speculation general, head of the players face the name of adventure.
阳光下，漫天飞舞的风沙像炒红的铁砂一般，扑打着探险队员的面孔。It`s quieter, but only slightly: the wind drowns out the engines as it buffets the tail and wings.
这只是更加安静，但只是轻微些：风扑打着尾翼和机翼的声音吞没了引擎声。The mother ptarmigan beat about him with great outcry.
母鸡大吵大叫地朝他扑打过来。and very glad I was to feel the fresh breeze and the sea-spray in my face once more.
我又一次感到新鲜的海风和浪沫扑打在脸上，好不惬意。Then, on his back, with his tail lashing and his jaws clicking, the shark plowed over the water as a speedboat does.
它这时肚皮朝上，尾巴扑打着，两颚嘎吱作响，像一条快艇般划破水面。swimmer got cramp in his legs and had to be helped out of the water.
那个游泳者腿部抽筋，在水中乱扑打，拼命挣扎以求免于溺死。Be like the promontory against which the waves continually break, but it stands firm and tames the fury of the water around it.
像海角一样，海浪不断扑打，但它傲然挺立，驯服周围狂暴的海水。