But microwaves spread out as they propagate.

但微波在传送过程中会扩散。

Even the shucking of oysters was made easier by microwaves.

甚至牡蛎壳也可以用微波做得更加松脆。

Their device uses microwaves to transform electricity into light.

它是利用微波把电能转换成光能。

"That's the frequency of microwaves," says NIST physicist Thomas Silva.

“那是微波的频率，”NIST的物理学家Thomas Silva说。

Vom Saal counsels that the cautious should also avoid heating plastic in microwaves.

沃姆·萨尔建议小心并且避免在微波炉中加热塑料。