国产成人自拍av_国产精品18久久久久久久_国产精品久久久久无码av_青青草原综合久久大伊人精品_蜜桃视频一区二区三区_国产黄色小视频

首页英语词典lactationlactation的意思

lactation

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

词态变化


动词:?lactate;

英文词源


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.

双语例句


1. Amazingly little is known about human lactation, or nursing.
对人类哺育婴儿或哺乳所知甚少.

来自辞典例句

2. Lactation is the final phase of the reproductive cycle of mammals.
泌乳是哺乳动物繁殖周期的最后阶段.

来自辞典例句

3. Breast infections occur during lactation.
乳房感染发生于授乳期.

来自辞典例句

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

来自辞典例句

5. Cancers arising during lactation are treated in a conventional manner after suppression of lactation.
哺乳期乳癌在哺乳结束后,按常规进行治疗.

来自辞典例句

主站蜘蛛池模板: 亚洲毛片在线视频 | 草久影院| 少妇3p欧美一区二区三区 | 一区二区三区四区在线视频 | 国产网址视频 | 久久天堂网 | 91亚洲国产成人久久精品麻豆 | 中文字幕一精品亚洲无线一区 | 91| 国产福利观看 | 久久久久久久久久久久久久久国产 | 91视频网址入口 | 久草美女 | 国产一级毛片国语版 | 久色网站 | 久久精品国产一区二区三 | 亚洲精品在线免费观看视频 | 91夜夜蜜桃臀一区二区三区 | 国产深夜福利在线观看 | 一区二区三区免费视频观看 | 哪里有毛片网站 | www91视频com| 91传媒在线观看 | 91在现视频| 97国产情侣爱久久免费观看 | 91高清视频在线 | 国产三区在线观看 | 91成人短视频在线观看 | 91国在线高清视频 | 国产日韩一区二区在线 | 亚洲国产成人久久综合一区,久久久国产99 | 亚洲精品视频在线观看视频 | 色翁荡息又大又硬又粗又视频图片 | 国产一区二区三区在线免费 | 亚洲一区二区三区四区在线 | 91小视频在线观看 | 91精品久久久久久久久入口 | 91久久精品久久国产性色也91 | 国产成人精品亚洲男人的天堂 | 97国产精品久久久久久 | 人体一区 |