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
The organization was beautiful.
组织工作极佳。
Is that Mr.Shen?
沈先生吗？
Yes. That's just right. It's nice and soft, too.
对。那正好，又软又好看。