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
You should take the number 1 subway.
应当搭一路地铁。
The buyer has the option of cancelling the contract.
买主有权撤消合同。
We have got quite used to them.
对这些，我们已经司空见惯了。