0 to move into or through something -- 穿透；進入；滲入
Amazingly, the bullet did not penetrate his brain. 令人驚訝的是，子彈並未射入他的腦部。
In a normal winter, the frost penetrates deeply enough to kill off insect eggs in the soil. 在正常的冬季裡，霜會深深滲入土壤，足以殺死昆蟲的卵。
The organization had been penetrated by a spy. 一名間諜滲入了該組織。
The company has been successful in penetrating overseas markets this year (= it has started selling its products in them). 今年，該公司成功地打入了海外市場。
These changes had not yet penetrated as far west as the mountains of Merioneth. 這些變化還沒有影響到西邊遠處的麥里昂斯山。
Our eyes couldn't penetrate the dark/the gloom of the inner cave. 洞內一片黑暗／昏暗，我們甚麼也看不見。
1 to study or investigate something in order to understand it -- 洞察，了解；深入研究
It's hard to penetrate her mind. 了解她的內心很難。
He penetrates deeper into the artist's life in the second volume of his autobiography. 他透過這位藝術家自傳的第二冊對其生平作了更深入的探究。
