the bodily process of discharging waste matter 同义词：elimination, evacuation, excreting, voiding,
waste matter (as urine or sweat but especially feces) discharged from the body 同义词：body waste, excreta, excrement, excretory product,
Excretion is the process by which waste products of metabolism and other non-useful materials are eliminated from an organism. This is primarily carried out by the lungs, kidneys and skin.
例句与用法
1.
Latin word originally means a mucous excretion . 这个拉丁词，原意为含粘液的分泌物。
2.
Sweat is an excretion . 汗是一种排泄物。
3.
Single dose injection method is used for substances with slow renal excretion rate . 单个剂量注射法，这可用于肾排泄率缓慢的试验物质。
4.
The vacuolar localization of the last class of excretion products, isoprenoids, is based on electron microscopic observations . 在液泡中最后一类分泌物是一类异戎二稀，是根据电子显微镜的观察定位的。
5.
Frequent urination and increased amount of urine excretion 小便频密及尿量增多
6.
Effects of tea polyphenols on promoting excretion of cadmium 茶多酚促排镉作用的实验研究
7.
Nasal discharges and other excretions of infected persons 透过患者的唾液鼻水及排泄物到处传播
8.
Excretion of totai nitrogen by microzooplanklon was 2 . 68mg / ( m ' . d ) 20 。总有机氮产生率为2
9.
Change in urinary or bowel habits or blood stains in such excretions 大小便习惯改变或大小便带血；
10.
Prediction of nitrogen excretion into environment from lactating dairy cows 泌乳奶牛向环境中氮排泄量的预测
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