long arm

基本解釋

A secondary aim may have been to remind Iran of Israel’s own “l(fā)ong arm”, and that Israel may one day dare to use it against Iran’s nuclear programme.
以方其次可能希望籍此提醒伊朗：以色列的“手很長”，也許某一天它還敢向伊朗的核計劃出手。
ecocn.org
Detective agencies spend countless hours trying to figure out unsolved crimes. Nevertheless, most Americans still like to believe that the "long arm of the law" will eventually nab the bad guys.
盡管如此，大部份美國人仍相信"法律的長胳臂"終究會逮到壞人的。
The winch spun quickly, and the crane raised its arm into the sky; nobody had believed that a crane with such a long arm could be built.
起重機的絞盤快速旋轉(zhuǎn)著，抬起它長的難以置信的手臂伸向天空。

The censors have on their side not just industriousness but the long arm of a police state.
FORBES: Cracks In the Wall
From the British perspective, the long arm of American regulation has reached across the Atlantic with distressing frequency lately.
ECONOMIST: Reaction to Sarbanes-Oxley
Clever computer criminals operating behind the supposed veil of the Internet are still subject to the long arm of the law.
FORBES: Dozens Held in FBI Credit-Card Fraud Sting

長臂
Gene nm23 is located at long arm of 17 chromatin, it produces NDPK protein.
nm23基因位于人類第17號染色體長臂，其編碼蛋白產(chǎn)物為二磷酸激酶(NDPK)。
交通運輸工程
長柄長柄漆刷