countermeasure

名词 countermeasure:

1. an action taken to offset another action

1. Information confirm gravely advice possible countermeasure.
   已确认消息极为不好，请电告有何良策。

coun.ter.mea.sure

n.（名词）
A measure or action taken to counter or offset another one.
反措施，对抗手段，对策：对抗或抵消某手段或行为的策略或行动