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N-COUNT
手臂;上肢
Your arms are the two long parts of your body that are attached to your shoulders and that have your hands at the end.
例句
She stretched her arms out...
她張開雙臂。
He had a large parcel under his left arm.
他左胳膊下夾著一個大包裹。
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N-COUNT
衣袖;袖子
The arm of a piece of clothing is the part of it that covers your arm.
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N-COUNT
（椅子的）靠手，扶手
The arm of a chair is the part on which you rest your arm when you are sitting down.
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N-COUNT
（物體的）臂，桿
An arm of an object is a long thin part of it that sticks out from the main part.
例句
...the lever arm of the machine.
機器的操縱桿
...the arms of the doctor's spectacles.
醫生的眼鏡腿
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N-COUNT
（陸地的）狹長地帶;狹長港灣
An arm of land or water is a long thin area of it that is joined to a broader area.
例句
At the end of the other arm of Cardigan Bay is Bardsey Island.
在卡迪根灣的另一狹長地段的尾端是巴德西島。
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N-COUNT
分支機構；部門
An arm of an organization is a section of it that operates in a particular country or that deals with a particular activity.
例句
Millicom Holdings is the British arm of an American company.
米雷康姆控股有限公司是一家美國公司在英國的分支機構。
...the research arm of Congress.
國會的研究部門
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PHRASE
臂挽臂地
If two people are walking arm in arm, they are walking together with their arms linked.
例句
He walked from the court arm in arm with his wife.
他和妻子挽著胳膊走出法庭。
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PHRASE
（價格）昂貴
If you say that something costs an arm and a leg, you mean that it is very expensive.
例句
A week at a health farm can cost an arm and a leg.
在健身中心呆一個星期的花費會很昂貴。
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PHRASE
一臂之遠；在伸手可及處
If you hold something at arm's length, you hold it away from your body with your arm straight.
例句
He struck a match, and held it at arm's length.
他劃亮一根火柴，伸長胳膊舉著。
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PHRASE
與…保持距離
If you keep someone at arm's length, you avoid becoming too friendly or involved with them.
例句
She had always kept his family at arm's length.
她一直與他的家人保持一定距離。
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PHRASE
（清單）很長
If you say that a list is as long as your arm, you are emphasizing that it is very long.
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PHRASE
熱烈地;友好地
If you welcome some action or change with open arms, you are very pleased about it. If you welcome a person with open arms, you are very pleased about their arrival.
例句
They would no doubt welcome the action with open arms...
他們無疑將熱烈歡迎這一舉動。
Many Panamanians welcomed the troops with open arms.
許多巴拿馬人熱烈歡迎部隊到來。
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PHRASE
說服
If you twist someone's arm, you persuade them to do something.
例句
She had twisted his arm to get him to invite her.
她說服他向自己發出邀請。