记录
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Respiratory System；Urinary System；Digestive System；Lymphatic System；Cardiovascular System
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The system concerned with the transport of blood and lymph
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The time when the sun enters one of the equinoctial points ,that is ,about March 21and September 22
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One of the two times in a year when the day and night are of equal length
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The time when the sun enter one of the equinoctial points, about March 21and September 22
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每天开心
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The world; the planet that we live on
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including the aorta ,the pulmonary arteries and veins, and the venae cavae.
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A longitudinal plane that divides the body of a bilaterally symmetrical animal into
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anthropometry the scientific study of the measurements and proportions of the human body .
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a cuplike division of the renal pelvis surrounding one or more renal papillae.
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any cup-shaped cavity or structure ,esp any of the divisions of the human kidney (renal calyx)
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tubule ：a minute tube， especially as an anatomical structure。kidney tubules
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Ilium the large broad bone forming the upper part of each half of the pelvis .
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the circulation that carries the blood from the right ventricle to the lungs
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the organ of women and female animals in which babies develop before they born.
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The German authorities are considering an airlift if the situation become critical.
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好久没签到了，今天来了
