名词
中文翻译：上肢
同义词：
['upper body', 'upper extremity例句：1. He lifted the heavy box with his upper arm.（他用上臂举起了那个沉重的箱子。）']
例句：
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1. He lifted the heavy box with his upper arm.
他用上臂举起了那个沉重的箱子。
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2. She stretched her upper body to reach the high shelf.
她伸展上身去够到高高的架子。
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3.The upper extremity of the arm is where most of the muscles are located.
手臂的上端是大多数肌肉所在的位置。