英语词汇“protomammal”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

protomammal n.

Brit.

/ˈprəʊtə(ʊ)ˌmaml/

U.S.

/ˈproʊdoʊˌmæm(ə)l/

/ˈproʊdəˌmæm(ə)l/

(an informal name for) a hypothetical primitive mammal or a known evolutionary ancestor of the mammals; (also) any primitive mammal.

ΚΠ

1936 J. R. de la H. Marett Race, Sex, & Environm. vi. 141 The ascent from the amphibian to a large-sized lactating proto-mammal is shown as a single upward slope.

1972 Q. Rev. Biol. 47 210/1 Monotremes are highly modified from the primitive mammalian condition..and should not be taken as representative ‘proto-mammals’.

2003 B. Bryson Short Hist. Nearly Everything (2004) xxii. 415 That was the stream we belonged to, and it evolved into a family of protomammals known as therapsids.

单词	protomammal
释义	> as lemmas protomammal protomammal n. Brit. /ˈprəʊtə(ʊ)ˌmaml/ , U.S. /ˈproʊdoʊˌmæm(ə)l/ , /ˈproʊdəˌmæm(ə)l/ (an informal name for) a hypothetical primitive mammal or a known evolutionary ancestor of the mammals; (also) any primitive mammal. ΚΠ 1936 J. R. de la H. Marett Race, Sex, & Environm. vi. 141 The ascent from the amphibian to a large-sized lactating proto-mammal is shown as a single upward slope. 1972 Q. Rev. Biol. 47 210/1 Monotremes are highly modified from the primitive mammalian condition..and should not be taken as representative ‘proto-mammals’. 2003 B. Bryson Short Hist. Nearly Everything (2004) xxii. 415 That was the stream we belonged to, and it evolved into a family of protomammals known as therapsids. extracted from proto-comb. form < as lemmas
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> as lemmas