Fossildiagenese
成化石作用
🗣️ 情景例句
She's coming over this morning to help me with my math.
她今天早晨要过来帮我补习数学。
My ambitions concern the things I am most fascinated by.
我对于能迷惑我灵魂的东西最具野心。
We can offer a 10% discount for orders over 10000 pieces.
订购一万个以上，我们可以打九折。