actuate + noun (机器或设备)
The engineer actuated the robotic arm.
工程师启动了机械臂。
开动；启动
actuates — third person singular of actuate
激励；促使；驱使；使活动；激励；驱使
to make a machine or device start to work or move
指使机器或设备开始运转
使活动
To activate, or to put into motion; to animate.
激励
To incite to action; to motivate.
一般现在时
The engine actuates the pump.
引擎驱动泵。
一般过去时
He actuated the machine yesterday.
他昨天启动了机器。
现在进行时
They are actuating the system now.
他们正在启动系统。
规则动词，变化为加-ed。
Pressing this button actuates the emergency brake.
按下这个按钮就会启动紧急制动器。
用法提示：actuates 是第三人称单数形式，表示「启动、开动」。
The motion sensor actuated the lights when I walked in.
我走进去时，运动传感器启动了灯。
用法提示：actuated 是过去式，表示「触发、启动」。
A strong sense of duty actuated her to volunteer for the mission.
强烈的责任感促使她自愿参加这次任务。
用法提示：actuated 这里表示「促使、激励」，后接某人做某事。
The engineer actuated the robotic arm.
工程师启动了机械臂。
His speech actuated the team to work harder.
他的演讲激励团队更加努力。
常用于被动结构，表示行为的原因。
She was actuated by a strong sense of justice.
她受到强烈的正义感驱使。
grammar · medium
易错句子The actuate of the device is manual.
正确表达The actuation of the device is manual.
actuate 是动词，不能直接用作名词，其名词形式是 actuation。
grammar · medium
易错句子The switch actuates when pressed.
正确表达The switch actuates the motor when pressed.
actuate 是及物动词，必须接宾语，不能单独表示‘启动’的动作。
activate 多指启动机械或电子设备，而 actuate 更强调机械运动或抽象驱使
motivate 侧重给予心理上的动力，而 actuate 可指物理上的开动或抽象驱使
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