1610s, "act of heating to the point of combustion," from French ignition (16c.) or directly from Medieval Latin ignitionem (nominative ignitio), from Latin ignire "set on fire," from ignis "fire" (see igneous). Meaning "means of sparking an internal combustion engine" is from 1881.
权威例句
1. He trotted to the truck and switched on the ignition. Nothing happened.
他匆匆走向卡车并转动点火开关,结果没有任何反应。
2. The device automatically disconnects the ignition when the engine is switched off.
当引擎关掉时,这个装置会自动切断点火开关。
3. The ignition of methane gas killed eight men.
甲烷起火,致使8人丧生。
4. I must have left my key in the ignition.
我肯定是把车钥匙忘在点火开关上了.
5. She got into the car and switched on the ignition.