| 单词 | marsupial |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔aplacental〕Having no placenta, as marsupials and monotremes.无胎盘的：无胎盘的，如有袋目哺乳动物和单孔目动物美国传统〔marsupial〕Marsupials include koalas, possums, and kangaroos.有袋目动物包括树袋熊、袋貂和袋鼠。剑桥高阶〔marsupial〕Most marsupials are confined to Australia.大多数有袋动物都仅分布于澳大利亚。外研社新世纪〔marsupial〕The study sheds light on the genetic differences between placental and marsupial mammals. 这一研究让人了解胎盘哺乳动物和有袋哺乳动物在基因上的差异。剑桥高阶〔opossum〕Any of several similar marsupials of Australia belonging to the family Phalangeridae.袋貂：一种与负鼠相似的澳大利亚袋鼠，属于袋貂家族美国传统〔pocket〕A pouch in an animal body, such as the cheek pouch of a rodent or the abdominal pouch of a marsupial.袋形构造：动物身体里的肚袋或腹带，如齿类动物的颊囊成有袋类动物腹部的袋子美国传统〔pouched〕Having a pouch, as a gopher, pelican, or marsupial.有袋的：有袋的，如地鼠、鹈鹕或袋鼠美国传统〔pouch〕The marsupial wolf carried its young in pouches.袋狼把幼仔装在育儿袋里。外研社新世纪〔pouch〕Zoology A saclike structure, such as the cheek pockets of the gopher or the external abdominal pocket in which marsupials carry their young.【动物学】 袋状结构：袋状结构，如地鼠的脸颊袋或袋鼠腹部外面的用来装其幼兽的袋子美国传统〔semioviparous〕Marsupials are semioviparous.有袋类动物是半卵生的。英汉大词典〔semioviparous〕Bearing living young that are incompletely developed, as a kangaroo or other marsupial.半卵生的：生育不完全发育的活的幼兽的，如袋鼠式其它有袋类动物美国传统Animals that carry their young in pouches are called marsupials and include kangaroos and koala bears.将幼仔放在育儿袋中的动物就叫有袋动物，包括袋鼠和树袋熊。剑桥国际The book had pictures of marsupials, including koalas, wombats, possums and kangaroos.书上登着有袋（目）动物的图片，包括树袋熊，毛鼻袋熊，袋貂和袋鼠。剑桥国际 |
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