agent

• Many agents cause weathering .
  许多作用力引起风化。
• Rain and frost are natural agents that wear away rocks .
  雨和霜都是磨蚀岩石的自然力。
• He was examined on ( the ) suspicion of being an enemy agent .
  他因敌特嫌疑而受审查。
• The scrapie agent in sheep may be similar to viroids .
  绵羊的搔痒病因子可能也是类病毒。
• Harry's a terrific agent .
  哈里是个狠心的代理人。
• The etiologic agent may not be apparent on direct smear .
  在直接涂片上致病菌可能不明确。
• Two copies will be signed by the ship's master or his agent .
  两张抄件由船长或其代理签字。
• Our entire organization had been infiltrated by enemy agents .
  敌人特工已打入我们整个组织。
• The purchasing agent rushes around every day to secure materials .
  采购员天天为备料东奔西走。
• Egg yolk serves as the emulsifying agent in salad dressing .
  在色拉调味时，蛋黄能作为乳化剂。