The thick walls prevented penetration by debris from the hurricane.

一堵堵厚墙阻挡了飓风带来的碎片的穿透。

the successful penetration by the KGB of the French intelligence service.

克格勃向法国情报机构的成功渗入。

import penetration across a broad range of heavy industries.

进口商品在重工业领域的广泛渗入。