名词
中文翻译：Unknown
同义词：
['aspect', 'apex', 'peak', 'summit']
例句：
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1. Theapex of the lung is whereblood returns to the heart.
肺尖是血液返回心脏的地方。
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2. The apexof the lung is also where the airsacs are located.
肺尖也是空气囊的位置。
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3. During exercise, the apex of the lung is pushed higher intothe chest.
运动时，肺尖会向上推到胸腔中。