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
He owes his wealth to diligence and good luck.
他的财富是由于他的勤劳和幸运。
This material feel soft, How does that material feel?
这种布料感觉起来很软，那块料子如何呢？
Speculations about is nature have been going on for literally thousands of years,
人们对睡眠作用的种种猜测，确实有数千年之久。