「韆」的读音

没有免疫接种，人类怎么是如何在数千千百年来生存和成长的？

How did mankind survive and thrive through thousands and thousands of years without being immunized?

如果你能看进他们的头部，你将很有可能看到数以百计甚至千计的想法正等待着一个机会成为现实。

If you could look inside their head, you'd probably see hundreds or even thousands of ideas waiting for a chance to come alive.

举例来说，演员被迫记住数以百计，甚至千计的脚本台词就是通过积极地分析它们并且想象他们角色的动机和目标。

For example, actors who have to remember hundreds or even thousands of lines of a script do so by actively analysing them and imagining the motivations and goals of their characters.

So if I tell you that the energy for single hydrogen atom is negative 13 12 kilojoules per mole.

如果我告诉大家单个氢原子的能量,是负的，1312，千焦每摩尔。

So, what we get for the disassociation energy for a hydrogen atom is 424 kilojoules per mole.

因此，我们就得到了氢原子,离解能的大小为，424，千焦每摩尔。

You plug all of this in and you get 344 kilojoules per mole, which then sums to 608.

把这些都算上,我们得到344千焦每摩，与上面结果加起来是608千焦每摩。