Retroignition
制动发动机点火
🗣️ 情景例句
And you saved it for me, didn't you, Mother?
也留着要给我， 对吗， 妈妈？
That's just what I was looking for.
那正是我所期待的。
so every so often a sample is obtained with a coring bit.
因此时常要用取芯钻头取样。