露脸人妻系列最新|少女たちよ在线观看动漫游戏|久久精品国产亚洲AV久|吃瓜黑料网最新爆料事件|国产日产欧洲无码视频|国产二区三区毛片|青青草免费观看|精品二区三区熟女日韩国产|中文字幕av 电影|中文字幕乱码熟女第一区,成人av黄色在线观看,国产 成人 精品,国产麻豆视频一区二区三区

首頁英語詞典lactationlactation的意思

lactation

英 [l?k'te??(?)n] 美[l?k'te??n]
  • n. 哺乳;哺乳期;授乳(形容詞lactational);分泌乳汁

詞態(tài)變化


動詞:?lactate;

英文詞源


lactation
lactation: see lettuce
lactation (n.)
1660s, "process of suckling an infant," from French lactation, from Late Latin lactationem (nominative lactatio) "a suckling," noun of action from past participle stem of lactare "suckle," from lac (genitive lactis) "milk," from PIE root *glakt- (cognates: Greek gala, genitive galaktos, "milk"), which, along with *melg- (see milk (n.)), accounts for words for "milk" in most Indo-European languages (the absence of a common word for it is considered a mystery). Meaning "process of secreting milk from the breasts" first recorded 1857. Middle Irish lacht, Welsh llaeth "milk" are loan words from Latin.

雙語例句


1. Amazingly little is known about human lactation, or nursing.
對人類哺育嬰兒或哺乳所知甚少.

來自辭典例句

2. Lactation is the final phase of the reproductive cycle of mammals.
泌乳是哺乳動物繁殖周期的最后階段.

來自辭典例句

3. Breast infections occur during lactation.
乳房感染發(fā)生于授乳期.

來自辭典例句

4. Lactation is suppressed by administration of androgens.
用雄激素制止泌乳.

來自辭典例句

5. Cancers arising during lactation are treated in a conventional manner after suppression of lactation.
哺乳期乳癌在哺乳結(jié)束后,按常規(guī)進行治療.

來自辭典例句