Pre-cambrian
先寒武纪前
🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
a. 寒武纪的\\nn. 寒武纪, 威尔士人, 寒武系
🗣️ 情景例句
This is meant to happen.
这件事注定要发生。
A man knows his companion in a long journey and a little inn.
路遥知马力，日久见人心。
of supplying sufficient details to enable the thing to be constructed.
而且向它提供制造核弹的细节，