Some animals are inactive during the daytime.
有些动物白天不活动。
The satellite had been inactive since its launch two years ago.
该卫星自从两年前发射以来一直没起作用。
He certainly was not politically inactive
他政治上当然不是无所作为。
The volcano is inactive.
这座火山已进入休止状态。
This expression is used to describe someone who is inactive.
这个短语通常用来形容某人没反应、不活跃。