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。

youdao

Sometimes, it's hard to understand creature like men.

像男人这样的生物，有时候，也是很难理解的。

youdao

Sometimes it's hard to understand why designer clothes cost as much as they do.

有时我真的弄不明白为什么设计师设计的衣服会那么贵。

youdao

"I mean it's hard to even understand how biology was a science as we would recognize it today.

VOA: special.2009.12.01

To use an ancient expression from the 1970's, which only John and I will appreciate, it's really hard to grok what that code is doing, to understand what it's trying to make happen.

我和约翰都会同意，70年代的一句话来概括，那就是很难理解编码的内容，以及它想要完成的工作。

麻省理工公开课 - 计算机科学及编程导论课程节选

So it is very hard to understand P's silence in this regard, if it stems entirely from the post-exilic, priestly circles.

很难理解P资源在这一方面的缄默，如果它来源于流放后时期，牧师圈子。

耶鲁公开课 - 旧约导论课程节选

The CD is called "Dreams Come True, " and when you listen to it, it's hard to understand why Judee Sill's never did.

NPR: Judee Sill's Posthumous 'Dreams'

" Still, it's hard to understand how Hawking knows the things exist if, as Ferguson notes, "there are no experimental or observational data to support this theory.

FORBES: The Universe and Mrs. Ferguson

Between Bonham Carter's natural, rather posh English accent and her character's disability (which causes slurred speech), it's hard to understand her at times, so you really have to pay attention.

CNN: Review: 'The Theory of Flight' soars with emotion