被

• Vitamin c is destroyed when overheated .
  维生素C受热过度就会被破坏。
• At last the base of the cliff is undermined .
  岩壁的下壁终于被掘空。
• These claims were later departed from .
  这些请求后来又被自动放弃了。
• Fast neutrons are also captured by nitrogen .
  快中子也可以被氮吸收。
• He was held prisoner throughout the war .
  他在战争期间一直被囚禁着。
• The enemy were besieged in the blockhouse .
  敌军被我们围困在碉堡中。
• It is more blessed to give than to receive .
  施与者比接受者更被赞美。
• There is no doubt but that he was murdered .
  毫无疑问，他是被谋杀的。
• The favorite came in third .
  被认为最有获胜希望的人结果跑了第三名。
• The air flow was regarded as quasi-laminar .
  空气流动被视为准层流。