Pegmatite
n. [地质]结晶花岗岩
🗣️ 情景例句
Robbie, this new Walkman is absolutely wonderful. Robbie
Robbie 这个新的随身听真棒。
No matter what comes up, don't mention my name.
不论发生什么事，你也不要提到我的名字。
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，