He strapped his arm with a cloth strap.

他用一根布带捆扎手臂。

youdao

What about under my arm there; is that strap going to show?

我的胳膊底下怎么样？那条扣带会不会露出来？

youdao

If you wear a purse with a shoulder strap, keep it tucked under your arm when walking.

如果你带肩背带的皮包，走路时夹在手臂下。

youdao

The myTREK's comfortable arm-strap design fits over the muscular portion of the user's forearm and provides convenient track and volume control.

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He worked his arm through the other strap and settled the weight of the pack against his back.

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Here at CEATEC, we bumped into these folks who kindly offered to strap us onto their latest prototype arm -- a slightly smaller variant of the one installed on Cyberdyne's current suit.

ENGADGET: Cyberdyne HAL robotic arm hands-on (video) Hands-on