Pre-coagulation
[化] 早期凝固
🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
coagulation
[kəu'ægju'leiʃən]
n. 凝结，凝结物;
🗣️ 情景例句
She is at the top of her class.
她在班里名列前茅。
The first step is the only difficulty.
万事起头难。
The old woman thought he was a queue jumper.
老太太以为他是不按次序排队的人。