leakage  
noun [ C or U ] uk/ˈliː.kɪdʒ/ us/ˈliː.kɪdʒ/
  (LIQUID/GAS)      
  泄漏;渗漏
the act of leaking or the leak itself
  The leakage was traced to an oil pipe in the cellar. 泄漏来自地下室里的一根油管。 
 A lot of water is wasted through leakage. 大量的水因泄漏而被浪费掉了。 
   (INFORMATION)     
 (秘密消息的)透露,泄露
making known secret information