penetrate [ˈpenɪtreɪt]

以下由轻松背单词网站提供

vt.&vi.透(渗)入；刺入，刺穿；洞察，了解

to move into or through something

Western ideas penetrate slowly through the East. 西方观念逐渐传入东方。
The sunshine could not penetrate where the trees were thickest. 阳光不能透入树木最浓密的地方。