Etch(ing) primer
[化] 防护涂料; 磷化底漆; 洗涤底漆; 反应性底漆
🧩 词语组成解析
primer
['praimə]
n. 底漆;启蒙读本;入门书;
🗣️ 情景例句
I just retired. Had my own company.
我刚退休。我原来开一家公司。
A scientist has come up with a good idea. That's it!
科学家想起了一个好创意。就是这个！
The experts were now fully convinced that the animal was a puma,
专家们如今已经完全肯定那只动物就是美洲狮，