preexisting mineral是什么意思 preexisting mineral怎么读
preexisting mineral的相关资料
PREabbr.Petroleum Refining Engineer炼油工程师
pretrialadj.审判前的n.事先审理
preexisting mineral的用法和样例
- Many elements were also too dispersed in the original dust clouds to be able to solidify into mineral crystals.
许多元素曾经在原始的星际尘中十分分散，可以凝结成矿物晶体。
展开更多
