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deactivate deactivate
/ di:5Aktiveit /

◙ verb
1. [with obj.] make (something, typically technical equipment or a virus) inactive by disconnecting or destroying it
• 使（某物，尤指机械装置或病毒）无效，使失灵；使失去活力
»the switch deactivates the alarm.
这个开关使警报器失灵。