名词
中文翻译：三角肌
同义词：
['triceps', 'deltoid例句：1. The trigonum urogenitale is responsible for the movement of the upper arm.（三角肌负责上臂的运动。）']
例句：
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1. The trigonum urogenitale is responsible for the movement of the upper arm.
三角肌负责上臂的运动。
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2. The trigonum urogenitale is a crucial part of the human body.
三角肌是人类身体的一个重要部分。
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3. During exercise, the trigonum urogenitale becomes more prominent.
运动时，三角肌变得更加明显。