4周搞定2000+托福核心词
mammal = mamm(乳房) + al(人，物) = 哺乳动物
appraisal = ap(加强) + prais(价值) + al(表名词) = 价值→估价；鉴定
approval = ap(加强) + prov(测试) + al(表名词) = 加强测试以证明可行→批准
antiquaian = antique(古代的) + ian(某种人) = 古文物研究者
civilian = civ(公民) + il(...的) + ian(某种人) = n.平民
哺乳动物
mammalian
常考释义
These included a common mammalian fauna of large mammals, a common flora composed of broad grasslands as well as wind-swept dunes and tundra, and a common climate with cold, dry winters and somewhat warmer summers.
其中包括，这三个地方都有常见的由大型哺乳动物组成的哺乳动物群和由广袤的草地、寒风凌厉的沙丘和冻原组成的植物群，以及冬季寒冷干燥、夏季校暖和的气候。
来源于：阅读OFFICIAL45 P1adj. 哺乳类动物的
Ferrets are another mammalian species known to be susceptible to infection.
雪貂是另一种已知易受感染的哺乳类动物物种。
These included a common mammalian fauna of large mammals, a common flora composed of broad grasslands as well as wind-swept dunes and tundra, and a common climate with cold, dry winters and somewhat warmer summers.
其中包括，这三个地方都有常见的由大型哺乳动物组成的哺乳动物群和由广袤的草地、寒风凌厉的沙丘和冻原组成的植物群，以及冬季寒冷干燥、夏季校暖和的气候。
来源于：阅读OFFICIAL45 P1When the Maori arrived in New Zealand, they encountered birds that had been evolving for 80 million years without the presence of mammalian predators.
当毛利人到达新西兰的时候，他们遇到了那些进化了八千万年而从没遇到过哺乳动物捕食者的鸟。
来源于：阅读OFFICIAL39 P2The species of moa that are currently recognized occupied ecological niches customarily filled elsewhere by large mammalian browsing herbivores.
恐鸟在新西兰生态圈的位置等同于其他地方的大型哺乳类食草动物。
来源于：阅读OFFICIAL39 P2n. 哺乳类
Indeed, he takes this evolutionary process seriously: he is fond of pointing out to his audiences that they have both “mammalian” and “reptilian” brains that can be employed at different moments.
实际上，罗闻全对待这种进化过程的态度是认真的：他喜欢向听众指出，他们都拥有可以在不同时刻使用的“哺乳动物”和“爬虫类”大脑。
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