Copper foil
[计] 铜箔
🧩 词语组成解析
copper
['kɑpɚ]
n. 铜;铜币;紫铜色;警察;
adj. 铜制的;
vt. 镀铜;
foil
[fɔil]
n. 箔，金属薄片;陪衬，陪衬物;（镜底的）银箔，（宝石等的）衬底;（船）翼;
vt. 用…陪衬，衬托;铺箔于;[建]给…加上叶形饰;挫败，使受挫折;
🗣️ 情景例句
I can't put my finger on what exactly makes a written piece a classic.
我不知道什么使一篇著作成为经典。
I'll know when the time comes.
到时候就知道了。
Imagine a pen attached to the weight in such a way that its point rests upon a piece of paper on the floor.
假定把一支笔拴在重物上，笔尖落在地板上的一张纸上，