pierce          
verb uk/pɪəs/ us/pɪrs/
 [ I + adv/prep, T ]刺穿,刺透,刺破 
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。 
  [ T ](光、声音等)透入,进入 
(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。