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来源:雅诚德英语网
It's hard to understand why they would not be affected, whereas dinosaurs were left too crippled to cope, especially if, as some scientists believe, dinosaurs were warm-blooded.
很难理解为什么它们不会受到影响,而恐龙却因为残疾而无法生存,尤其是如果恐龙像一些科学家认为的那样是温血动物。