Francolite
细晶磷灰石
🗣️ 情景例句
but I think I can be of some help to you.
但我觉得我可以对你略有帮助。
A light purse is a heavy curse.
为人无钱处处难。
It is not a simple competition for a fixed amount of food determined by the physical environment,
它已不是为了争得物质环境所决定的有限食物而进行的简单竞争了，