pre-cambrian信息详情
先寒武纪前
pre───abbr.炼油工程师（PetroleumRefiningEngineer）
cambrian explosion───寒武纪爆发
cambrian fanfiction───寒武纪迷小说
pre reading───adj.阅读前的
pre out───前输出
cambrian railway───寒武纪铁路
pre pay───vt.预付；提前缴纳
pre release───n.（电影）预映；（蒸汽机的）提前排汽
pre xmas───圣诞节前
RD: I know you're working on a programme about Cambrian and pre-Cambrian fossils, David.───理查德·道金斯：大卫，我知道你正在做一个关于寒武纪和前寒武纪化石的专题节目。
the key to the regional correlation of the upper Pre-cambrian in South Liaoning is how to link and correlate with Jixian and Xiadong stratotypes.───辽南上元古界的区域对比的关键是如何与蓟县层型、峡东层型的衔接或对比。
Therefore the deficiency of pre-Cambrian fossil and the sudden emergence of Cambrian trilobite are like a double edged sword posing threat for the very foundation of Darwin evolutionism.───因而前寒武纪化石的缺失和寒武纪三叶虫等突发式出现，好象一把双刃剑，对达尔文演化学说的塔基构成了威胁。
Therefore the deficiency of pre-Cambrian fossil and the sudden emergence of Cambrian trilobite are like a double edged sword posing threat for the very foundation of Darwin evolutionism.