You can train it to flap its wings to escape a situation but it's very difficult to get it to flap its wings for food.
你可以训练它扇动翅膀以逃避某种情况，但要让它扇动翅膀获取食物是非常困难的。
Furthermore, the birds orient themselves carefully with regard to the Sun and gently flap their wings to increase convection cooling.
此外，这些鸟会根据太阳的位置谨慎调整自己的方向，并轻轻拍打翅膀以增加对流的降温效果。
With a flap of its wings the sparrow flew off.
麻雀忒儿一声飞了。
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。
Then its miniature wings begin to flap as it slips under the door and darts along the street.
当它从门下溜出后，它的微型翅膀开始扑闪并沿着街道飞去。
It opens in the jungle of Brazil at sunrise, when the birds wake up and * flap their colorful wings to the samba.
故事从日出时分的巴西丛林中展开，鸟儿醒来，拍动彩色翅膀，跳起桑巴舞。
Whereas, on an airplane the wings are built with a hinged flap that is normally controlled manually from the cockpit.
而飞机的机翼却是由铰接式襟翼构成，通常由驾驶人员手动控制。
The bird suddenlystarted to flap its wings, although it couldn’t fly. The bird was just a littlebird.
那只鸟突然就开始拍打翅膀，那是一只幼鸟，尚不能飞行，有一个士兵把它收留作为宠物养着。
The tiny aerial vehicle pictured here, made with carbon-fiber wings that flap 120 times per second, is the first insect-size robot to fly.
这个微型航拍工每秒可以扇动120下的碳素纤维翅膀，是第一个昆虫大小的飞行机器人。
Swallowtail butterflies have particularly large wings for their body size, and flap them relatively infrequently.
燕尾蝶有着相对于它们的身体而言十分巨大的翅膀，并且扇动的频率少见地慢。
Because their two sets of wings effectively flap as one, that in theory gives them little control over the aerodynamic forces on their body.
因为它们的两副翅膀叠在一起，在空气动力学的理论中，这意味着它们对自己身体缺乏控制力。
On a fine afternoon at the Texas State Fair, a ringmaster encouraged a gaggle of children to flap their arms like butterfly wings.
在一个晴朗的下午，德州博览会上的一个表演者让一群孩子像蝴蝶一样挥动双臂。
They are even trying to mimic insects, by making robots that take off when they flap their wings.
他们甚至在努力模仿昆虫，研发可以振翅高飞的昆虫机器人。
Most birds flap their wings up and down, but hummingbirds move their wings in a figure-eight pattern.
大多数的鸟是上下拍打翅膀飞行，但蜂鸟不一样，它是以八字形移动翅膀。
Flap your flaming wings, as many a seabird sings.
鼓起你火焰般的羽翼吧，海鸟在歌唱。
Your fairy should now magically flap her wings when you tilt her forward into flying position.
当你将飞仙女倾斜向前到飞行位置，现在飞仙女就会神奇地拍拍她的翅膀。
They do not need to flap their long wings while soaring.
他们滑翔的时候不需要振动翅膀。
You want to flap your wings and fly high over everyone, but you can't get off the ground.
你想拍打你的羽翼，进而飞得比每个人都高，但你不能离开地面。
It began to stretch and flap its wings. It bounced around a little, then it jumped up and flew.
这只鹰想了一分钟，它开始伸展和拍打它的翅膀，它在周围稍稍弹跳了一下，然后它往上一跃就飞了起来。
The kids would kick them, and the chickens would flap their wings furiously to avoid the brunt of the feet.
然后小孩儿踢一脚，几只鸡就呱呱地扇着翅膀逃走。
Occasionally they give themselves a sudden shake or flap their long wings to let off wate...
不时地突然抖动一下或者拍打他们长长的翅膀来抖落羽毛里的水滴。
Does the flap of a butterfly's wings in Brazil set off a tornado in Texas?
一个蝴蝶在巴西轻拍翅膀，可以导致德克萨斯州产生一场龙捲风?。
This enables the Robo Raven to swoop, soar, dive and flap its wings in a much more aerobatic way than older models, whose wings could only move simultaneously.
这使得机器人乌鸦趁虚而入，一飞冲天，下潜和扇动它的翅膀比老款车型，它的翅膀只能同时移动。
The wings of the ostrich flap joyously: Are they the pinion and plumage of lovingkindness?
鸵鸟的翅膀欢然展翅，是显慈爱的翎毛和羽毛么？
Uncounted numbers of "birdmen" have died over the centuries after leaping from tower or cliff, not realizing they could never flap homemade wings hard or fast enough to stay aloft.
在过去的几个世纪里，无数的“鸟人”丧失了生命，他们从高塔或悬崖上跳下来，却不知道他们摆动自制的翅膀时，力量和速度根本不足以维持飞行。
The remotely controlled, realistic looking birds actually flap their wings to fly, and in a way that makes them remarkably similar to the real thing.
远程控制，逼真的鸟居然扇动翅膀飞行，并在一定程度上使得它们非常类似于真实的东西。
Birds can flap their wings, soar, glide or hover.
鸟儿能振动翅膀、高飞、滑翔和盘旋。
Birds can flap their wings, soar, glide or hover.
鸟儿能振动翅膀、高飞、滑翔和盘旋。
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