Extinction is a difficult concept to grasp.
灭绝是一个很难理解的概念。
Some kids need extra help besides school work to grasp a few concepts.
除了学校的课业以外，有些孩子还需要进行额外的辅导来理解一些概念。
I'll admit spring cleaning is a difficult notion for modern families to grasp.
我承认春季大扫除对现代家庭来说是个很难理解的概念。
She was unable to grasp how to do it.
她弄不明白这事该怎么做。
The idea of a parallel universe is hard to grasp.
认为另有一个平行宇宙的概念是很难理解的。
It was a difficult concept to grasp, but I soon latched on.
那是个难以弄明白的概念，但我很快就理解了。
It took him some time to grasp that he was now a public figure.
他过了些时候才意识到自己已是个公众人物了。
All of this should be fairly easy to grasp.
所有这些都应当很容易掌握。
It takes great efforts for children to grasp the concept of number words.
儿童掌握数字词汇的概念需要付出很大的努力。
The article is really a difficult concept to grasp when you have no base knowledge of it.
当你没有冠词的基础知识时，冠词确实很难掌握。
To grasp phonics of each unit.
掌握每个单元发音法的拼读。
Let us take now, and we have to grasp.
让我们把握现在，把握我们所拥有的。
Only know how to grasp the current down.
只有懂得放下才能掌握当下。
But politicians have found it hard to grasp.
但政客们发现掌握起来却很难。
To have confidence, to grasp their own future.
要有信心，把握住自己的未来。
The public hasn't even begun to grasp nuclear energy.
至今公众甚至还没有理解核能。
To grasp this, it's important that you understand Ajax.
要掌握这一内容，您首先需要了解Ajax，这是很重要的。
Some of the knowledge can be very difficult to grasp.
某些知识可能很难掌握。
Is it that you won't be able to grasp the requirements?
是您不能够领会需求？
You want to grasp the eternal, you have to control now.
你希望掌握永恒，那你必须控制现在。英语人生格言言。
And we can see that we are able to grasp them through the mind.
同时看到我们能够用心灵，去掌握它们。
But this seems to be a difficult idea for most persons to grasp.
但是大部分人却很难理解这一理念。
But this "talk to" relationship was hard to grasp as of yet.
但是暂时还难以把握这种“交谈”关系。
There are also benefits to TDD that are much easier to grasp.
TDD的另一个好处是更容易掌握。
InfoQ: What is the main message you like your readers to grasp?
InfoQ：你们希望通过此书向读者传递的主要信息是什么？
The task: make the arm reach out to grasp a ball mounted on a board.
测试任务：伸出手去抓板上的那个球。
Belugas have 40 small conical teeth which they use to grasp fish.
白鲸有40个用来抓鱼圆锥形小牙齿。
The idea of evolution by natural selection is not hard to grasp.
自然选择导致进化的观点并不难理解，只需要把几个得到普遍认同的观点联系起来就能够得到。
The idea of evolution by natural selection is not hard to grasp.
自然选择导致进化的观点并不难理解，只需要把几个得到普遍认同的观点联系起来就能够得到。
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