to go into or through something, making a hole in it using a sharp point

The needle pierces the fabric four times a second. 针穿过织物的速度是每秒钟4次。

I couldn't wear these earrings because my ears aren't pierced. 我没法戴这些耳环，因为我没有穿耳孔。

The gun fires a shell capable of piercing the armour of an enemy tank. 这种炮发射的炮弹能穿透敌人坦克的装甲。

The hole they drilled pierces six kilometres into the earth's crust. 他们钻的孔深入地壳6公里。

(of a light, sound, etc.) to suddenly be seen or heard, despite darkness, noise, etc.

A few rays of sunlight pierced the smoke. 几缕阳光穿透了烟幕。