Precombustion
预燃, 在前置燃烧室内燃烧
🗣️ 情景例句
Forgive my ignorance, But what exactly are you talking about?
请原谅我的孤陋寡闻，你说的到底是什么？
I'm done.
我不行了。
I heard that you're getting married, Congratulations.
听说你要结婚了，恭喜！