Pre-coating
[化] 预涂层
🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
coating
['kəutiŋ]
n. 涂层，覆盖层;（食品上的）面衣，糖衣，涂料;外衣布料上衣料，细呢，花呢;
v. 给…穿上外衣;覆盖;“coat”的现在分词;
🗣️ 情景例句
He keeps himself fit by running 5 miles every day.
他每天跑五公里以保持身体健康。
John had a rough time last night.
约翰昨晚好像挺轰轰烈烈的样子。
She doesn't like eggs.
她不喜欢吃鸡蛋。