Precambrian
n. 前寒武纪, 前寒武纪岩
🗣️ 情景例句
I'll try again.
我再试一次。
My father is vacationing in the north.
我父亲正在北方度假。
Really? So was my friend Bob White. Do you know him?
真的吗？我的朋友鲍勃·怀特也在中心学校。你认识他吗？