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
Yes. I wonder if you can send up some of boiling water for me.
是的，你可以送点开水上来吗？
It's difficult to make a decision whithout knowing all the facts.
不了解所有事实而做出决定是困难的。
The first essential in elephant training is to assign to the animal a single mahout who will be entirely responsible for the job.
驯象中至关重要的是指派一名专门的驯象员，全面负责这项工作。