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Mammalian is the word you put with another word to mean “of ” or “like a mammal”: the mammalian brain, mammalian milk, a mammalian species. Scientists also use it as a noun for a mammal itself (“mammalians” in that dry, textbook way), but in ordinary English the noun you want is almost always mammal; mammalian prefers to sit in front of something. It sounds like the classroom and the lab, not like home talk. If you say “a mammalian”, people will understand you mean that kind of animal, though it will sound a little stiff.
哺乳類的；哺乳動物
組成mammal + -ian (“of” or “belonging to”).
同家族的字
- mammalmammalian is simply mammal with the ending -ian
原始詞典資料3 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
mammalianadj/məˈmeɪl.jən/
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Of, or pertaining to, mammals.
- The single-imaging optic of the mammalian eye offers some distinct visual advantages. Such lenses can take in photons from a wide range of angles, increasing light sensitivity. They also have high spatial resolution, resolving incoming images in minute detail.
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Like a mammal.
mammaliannoun/məˈmeɪl.jən/
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Any mammal.
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。