扩散

ái yǐ kuò sàn dào tā de wèi bù

癌已扩散到他的胃部。

The cancer has spread to his stomach.

suǒ yǒu zhè xiē xiǎng fǎ zài wǒ xīn lǐ màn màn kuò sàn kāi lái

所有这些想法在我心里慢慢扩散开来。

All of these thoughts percolated through my mind.

yóu kàn shàng qù zhèng zài kuò sàn

油看上去正在扩散。

The oil appeared to be dispersing.

hé wǔ qì kuò sàn

核武器扩散

nuclear weapons proliferate

xiàng wài kuò sàn

向外扩散

diffuse outwardly