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
Nurse Baker, would you come in, please?
Baker护士 请你过来一下，好吗？
If you were to attend the banquet ,what would you wear?
如果你将出席宴会，你将穿什么？
Great. Would you please let me know when you have a race?
太好了。请告诉我你们什么时候比赛，好吗？