Pre-requisites
(pre-requisite 的复数) n. 首要事, 必要事\\na. 首要的, 必须的
🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
n. 必要的事物( requisite的复数形式 )
🗣️ 情景例句
I remember now.
我现在记起来了。
You should see my wife in a bikini... She's a knockout.
你应该看看我太太穿比基尼的样子，致命眩晕。
but that was precisely the idea adopted in some of the early instruments (seismometers) for recording earthquake waves.
但是早期记录地震波的仪器（测震仪）正是采用了这种思路。