He turned the ignition key.

他转动钥匙点火.

《简明英汉词典》

When you turn the ignition key, it activates the solenoid to power the motor.

当你转动车钥匙时, 实际启动的是螺线管,以使启动马达运转.

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Set the ignition key to OFF or remove it.

把点火钥匙设为OFF或取下.

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If you park in a commercial lot or garage , leave only ignition key with the attendant.

在商业停车场停放时, 不要把主钥匙交给管理人员.

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To electrically start a vehicle lacking using an ignition key.

不用点火钥匙而用电来发动汽车.

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