光辐射就只是扩散的可见光能量。

Optical radiation is just visible light energy spreading out.

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他们在一次例行检查中发现了扩散的癌细胞。

They found invasive cancer during a routine examination.

《柯林斯英汉双解大词典》

它的工作原理是分析传入声音的声波并产生新一轮向外扩散的声波。

It functions by analyzing the waves of the incoming sound and creating a second set of outgoing waves.

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Remember that these cells are relatively large compared to bacteria and so diffusion doesn't occur very quickly over this length scale.

要知道这些细胞相对细菌而言,还是比较大的,扩散作用在这种尺度上,发生得不是那么快

耶鲁公开课 - 生物医学工程探索课程节选

But the idea is--the clip is to make the point that the fear will extend to a rabbit, a white rabbit.

但关键是，这段影片试图说明,恐惧是会扩散到小白兔身上去的。

耶鲁公开课 - 心理学导论课程节选

And if you had a motor here that was causing a paddle to move up and down you could cause waves to form at one end of the tank and move from left to right.

如果在水槽里放个发动器,来让水上下起伏,波浪形成于,水槽的一端,然后从左向右扩散。

麻省理工公开课 - 固态化学导论课程节选