Near view, forsythia flowers are four flaps, each flap like a little dart.
近看，连翘花是四个瓣的，每个瓣像是一个小飞镖。
But this new study shows that wings with a little flop can actually get more air-pushing lift from each flap.
但这项新的研究表明，有点向下弯曲的翅膀确实能从每次拍打中获得更多的空气挤压升力。
Teacher, you inspire me to grasp the nature of grace, from now on I read each flap green leaves, each a piece of cloud, each one spray.
老师，您启迪我真正领会了大自然的恩惠，从此我读懂了每一瓣绿叶，每一片彩云，每一个浪花。
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