网站首页
英语词典
文言文字汇
请输入您要查询的词汇:
词汇
estrus
释义
estrus
noun
[
U
]
biology
specialized
(
UK
also
oestrus)
/
ˈiː.strəs
/
/
ˈes.trəs
/
(
雌性动物
)发情期,求偶期
the time when a female animal is
fertile
(= able to become pregnant)
and willing to
mate
(= have sex)
The female panda is
in
estrus for only 24 to 48 hours per year.
雌性熊猫每年只有24到48个小时处于发情期。
Just before the mother seal departs for the sea, she comes
into
oestrus and mates.
Compare:
on
heat
更多例句
Suckling prevents cows from entering estrus.
In a number of mammals, the vagina may be sealed when the animal is not sexually receptive and only open during oestrus.
In many mammals, oestrus lasts a short time: just 48 hours in the mountain goat.
随便看
(you can) depend on/upon it是什么意思
you can depend upon it是什么意思
you can lead a horse to water, but you can't make him drink是什么意思
you can say that again!是什么意思
you can say that again是什么意思
you can talk是什么意思
you can't imagine是什么意思
you can't judge a book by its cover是什么意思
you can't make an omelette without breaking eggs是什么意思
you can't make a silk purse out of a sow's ear是什么意思
you can't make bricks without straw是什么意思
you can't say fairer than that是什么意思
you can't talk是什么意思
you can't teach an old dog new tricks是什么意思
you can't win 'em all是什么意思
you could cut the atmosphere with a knife是什么意思
you could have fooled me!是什么意思
you could have fooled me是什么意思
you could have heard a pin drop是什么意思
you could have knocked me down/over with a feather是什么意思
you could have knocked me down with a feather是什么意思
you could have knocked me over with a feather是什么意思
you'd是什么意思
you'd have to see it to believe it是什么意思
you don't say!是什么意思
㼑的意思
㼒的意思
㼒的意思
㼒的意思
㼒的意思
㼓的意思
㼔的意思
㼔的意思
㼔的意思
㼔的意思
㼔的意思
㼔的意思
㼔的意思
㼕的意思
㼕的意思
㼕的意思
㼕的意思
㼕的意思
㼕的意思
㼖的意思
MX2U.com英汉词典共收录126179条英汉翻译词条,基本涵盖了全部常用英语词汇的翻译、用法及例句,是英语学习的有利工具。
Copyright © 2004-2022 Mx2u.com All Rights Reserved
京ICP备2021023879号
更新时间:2025/10/24 2:06:58