c. 1600, "action of excreting;" 1620s, "that which is excreted," from French excrétion (16c.), from Latin excretionem (nominative excretio), noun of action from past participle stem of excernere "to sift out, separate" (see excrement).
权威例句
1. Sweat is an excretion.
汗是一种排泄物.
2. Sweat is also an excretion.
汗也是一种排泄物.
3. Latin word originally means a mucous excretion.
这个拉丁词,原意为含粘液的分泌物.
4. 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.
5. Increased renal excretion occurs with both respiratory and metabolic alkalosis.