Sincosite
磷钙钒矿
🗣️ 情景例句
About fifteen minutes.
大约十五分钟吧。
Take care of the pence, and the pounds will take care of themselves.
积少自然成多。
Sometimes a tame elephant is tethered nearby to give the wild one confidence,
有时，把一头已驯服的象拴在旁边能给野象以信心。