Black coating
[化] 发黑; 发蓝(钢铁部件表面处理)
🧩 词语组成解析
black
[blæk]
adj. 黑（色）的;黑色人种的;黑暗的;不加牛奶的;
n. 黑色;黑人;黑颜料;黑暗;
v. 使变黑;抵制;拒绝;使变黑暗;
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
She doesn't know we've changed hotels.
她不知道我们换了旅馆呀。
When did you get up yesterday morning?
你昨天早上几点起床？
Thank you very much. I'll return it as soon as I can.
非常感谢。我会尽快归还的。