kidneys
['kɪdnɪz]
n.
肾形矿脉;
肾，肾脏( kidney的名词复数 );
（可食用的动物的）腰子;
例句:
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His brain, heart and kidneys have been scanned.
来自BBC
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Water is ideal to flush the kidneys and the urinary tract.
用水清洗肾脏和尿道最理想不过。
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Blood enters the kidneys via the renal artery.
血液通过肾动脉流进肾脏。
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Drinking a lot helps the kidneys do their job.
多饮水有助于肾脏正常工作。
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Spoon the kidneys and sauce over the top.
来自BBC
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Each of your kidneys contains more than one million nephrons.
来自BBC