adj. 形容词必要的，不可避免的；命令的，专横的；势在必行的；[语]祈使的
n. 名词必要的事；命令；规则；[语]祈使语气
Remember to turn off the lights when you leave the room.
记得离开房间时关灯。
Remember to turn off the lights when you leave the room.
记得离开房间时关灯。
Remember to turn off the lights when you leave the room.
记得离开房间时关灯。
Remember to turn off the lights when you leave the room.
记得离开房间时关灯。
Remember to turn off the lights when you leave the room.
记得离开房间时关灯。
Remember to turn off the lights when you leave the room.
记得离开房间时关灯。
Remember to turn off the lights when you leave the room.
记得离开房间时关灯。
Remember to turn off the lights when you leave the room.
记得离开房间时关灯。
Remember to turn off the lights when you leave the room.
记得离开房间时关灯。
Remember to turn off the lights when you leave the room.
记得离开房间时关灯。
imperative to act
必须行动
imperative for success
成功的关键
imperative need
迫切需求
imperative command
命令式
imperative sentence
祈使句
imperative duty
紧要职责
imperative tone
命令的语气
复数: imperatives;
