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
Richard, isn't that too much to ask of your mother?
Richard，那是不是太麻烦你母亲啦？
David must figure on at least seventy strong men for support.
戴维至少须把七十个壮汉的协助计算进去。
That's very kind of you, but I want to speak to him about my son, Jim Green.
你真好，谢谢您。不过我想和校长谈谈我儿子吉姆·格林的事情。