操纵舵 control fin; control vane; wind arm 操纵阀 astern maneuvering valve; control valve; operating valve; pilot valve; sentine ..
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wind shield adjusting arm 风挡调整臂
take out the wind-up arm 取出上发条把柄
electric wind shield wiper arm 电动风挡刮水臂
I TRUDGED up the snowy hill, head bent against the freezing wind with my overnight kit under my arm, trying to make my way through the snow in the arctic dark.
我胳臂下夹着寝具在白雪覆盖的山路上跋涉，一边低头躲避着刺骨的寒风，一边在北极的黑夜里试图在雪地里找到前行的道路。
The new tools we're developing at JPL will evolve and hopefully someday wind up bolted to the side of a spacecraft or strapped to the end of a robotic arm.
现在我们在喷气推进实验室研发的新工具将得到不断升级，希望有一天能够用螺栓固定在探测器的一侧或是绑在机械手臂末端。
My shoulder is not very perhaps broad, but covers the wind and rain sufficiently for you; My arm is not very perhaps powerful, but can also support blue sky for you.
也许我的肩膀不够宽广，但足以为你遮挡风雨；也许我的胳膊不够有力，但还能为你撑起一片蓝天。
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