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
Oh yes, the May Fourth Movement. I've read about it.
哦，是的，五四运动，我听说过。
I'm glad to meet you.
幸会。高兴见到你。
If anyone ever asks her how old she is, she always answers, 'Darling, it must be terrible to be grown up!'
“亲爱的，长成大人真可怕啊！”