Precombustion
预燃, 在前置燃烧室内燃烧
🗣️ 情景例句
Thanks a lot for having us.
真感谢你邀请我们来。
He has lived here for a year.
他在这里住了一年了。[表示持续到现在的行为]
Henry Taylor, he went offimmediately to visit him,
亨利·泰勒，就立刻跑去看他，