Pre-conditions
(pre-condition 的复数) n. 前提条件；先决条件
🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
n. 形势, 情况, 环境
🗣️ 情景例句
So we will be needing more room.
所以我们也将需要更大的空间。
I wasn't born yesterday.
我又不是三岁小孩。
You see, I was hoping to give you a surprise.'
嗯，我是想让你大吃一惊。”