I am sure you all know from physics class about how light moves in microscopic ways and that we can only see light when the wavelength of that light is in a specific range.

我相信，你们在物理课上都学过光是如何以微观的方式运动的，以及只有在光的波长在特定的范围内时我们才能看到光这一事实。

youdao

I am sorry about all those ridiculous euphemisms you heard from our Pentagon spokespeople.

对于那些你从我们五角大楼发言人那里听到的荒谬的委婉语，我感到很抱歉。

youdao

As I mentioned at the start, I am sorry about all those ridiculous euphemisms you heard from our Pentagon spokespeople.

正如我开篇所讲，我对你们听到的那些来自五角大楼发言人荒谬的委婉语感到抱歉。

youdao

As I mentioned at the start, I am sorry about all those ridiculous euphemisms you heard from our Pentagon spokespeople.

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And today, here with all of you, I have never been more hopeful about our future than I am right now.

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