" Uh, why do our arms swing like this when we walk? " Anxiety yammered inside her mind.

“呃，为什么我们走路的时候会这样摆臂？”焦焦在她的大脑中抱怨道。

Over the next 30 minutes, a pair of 240-meter steel arms swung shut, protecting the channel ahead.

在接下的 30 分钟，一双 240 米的钢臂合拢了起来，保护着前方的海峡。

Let your arms swing as you walk.

【swing】边走边摆动双臂。

Dobbs ran at me from the side and his arm swung low.

多布斯从侧面冲向我， 他的手臂低垂。

His hands hanging naturally at his sides, the general waited to be seated. Once his arms swung suddenly backward like a jumper's and Dick said, " Ah" !

将军双手自然垂在身体两侧，待命就座。有一次他的手臂像跳投运动员一样突然向后摆动，迪克“啊”了一声！