Its wings not only beat up and down, but also twist at specific angles.

它的翅膀不但可以上下拍打而且能够在一定角度内翻转。

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In the earthquake zone who are in great sway until the first is sometimes beat up and down.

在震区的人在感到大的晃动之前，有时首先感到上下跳动。

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The robot's wings not only beat up and down, but also twist at specific angles along the wingspan in the same way that a real bird does.

智能鸟的翅膀不仅能上下拍打，还能和真正的鸟类一样沿着翼展方向扭转一定的角度。

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Its wings not only beat up and down, but also twist at specific angles.

FORBES: Festo Builds a Robot Bird

"It's been up and down all year and we went away to Wigan and got beat, but after we went ahead 1-0 today it was the first time I thought that the title was ours, " he added.

CNN: Chelsea romp to title with eight-goal triumph

However, Leicester fought back to grab an unexpected try from full-back Amorosino, who kicked ahead and beat everyone in the race to touch down, and Twelvetrees converted to set up a nervous finish.

BBC: Premiership: Saracens 26-20 Leicester Tigers