You probably remember that human infants are less developed physically than other mammals of the same age.
你可能还记得，同龄人类婴儿的身体发育不如其他哺乳动物。
We talk about the age of dinosaurs or the age of mammals, but since the first animal climbed onto land, every age has been, by any reasonable measure, the age of insects too.
我们也许还在津津乐道于恐龙时代或哺乳动物时代，但殊不知第一只动物爬上陆地时，昆虫的时代也已然来临。
Such protection against fungal infection, Dr. Casadevall has speculated, could have been crucial for the triumph of mammals following the age of dinosaurs.
卡萨·德沃尔博士推测，较高的体温对真菌感染的天然屏障，可能是哺乳动物们在恐龙灭绝之后一直繁衍到今天的关键原因。
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