Petrostroma
石质海绵属
🗣️ 情景例句
You've been working late
你一直工作到很晚
What kind of quality control do you have?
你们用什么办法来控制质量呢？
The pirates would often bury gold in the cave and then fail to collect it.
海盗们过去常把金子埋藏在那个洞里，可后来却没能取走。