这种新型钻头在硬质材料中展现出惊人的穿透力。

The new drill bit shows impressive ___penetration into hard materials.

他对这个哲学问题的深刻理解令教授赞叹不已。

His ___understanding of the philosophical question amazed the professor.

我们的新产品在北美市场取得了显著的市场占有率。

Our new product has achieved significant ___penetration in the North American market.