His arm is mighty to divide the wave.

他万能的臂可以把波浪分开。

youdao

It’s the first brain-wave scanner to be worn on an arm or leg, forgoing clunky headgear.

这是首台脑电波扫描仪，抛弃了笨重的头盔，可戴在胳膊或腿上。

youdao

This fall, as Microsoft demonstrated from a Las Vegas stage, you'll be able to control the game console with a wave of your arm, thanks to technology that will be able to "see" your every movement.

今年微软在拉斯·韦加斯展示的是，人们可以用手臂的摆动来操控游戏机，当然，这还要感谢一种能够“看见”人们每个举动的新技术。

youdao

Then he began to wave his arm erratically.

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Leum said he asked Jack to wave the one arm she could, at which point he finally spotted her.

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