Primary cracking
[化] 初级裂化
🧩 词语组成解析
primary
['praɪmɛri]
adj. 首要的，主要的;最早的，原始的;[地质学]原生的;基本的;
n. 第一位;最好者;要素;候选人提拔会;
prim第一，主要的+ary形容词后缀 → 第一的，最开始的 → 最初的；根本的
n. 裂解, 分解\\na. 敏捷的, 很好的\\nadv. 非常, 极其
🗣️ 情景例句
This is my father, Dr. Philip Stewart ...
这是我父亲 Philip Stewart医生……
Be considerate toward the poor.
应常为穷人着想。
I even went out at midnight with a torch and noted with satisfaction (and surprise) that the ants were still swarming around the sticky tape without being able to do anything about it.
半夜，我还拿着电筒来到花园里，满意地（同时惊奇地）发现那些蚂蚁还围着胶带团团转。无能为力。