Crude copper
[机] 粗铜
🧩 词语组成解析
copper
['kɑpɚ]
n. 铜;铜币;紫铜色;警察;
adj. 铜制的;
vt. 镀铜;
🗣️ 情景例句
Remember catching your first fish?
还记得你第一次钓到鱼的情形吗？
It's earier to run down the hill than go up.
下山容易上山难。
After that they pressed a piece of paper on top, and printed a whole page of a book.
然后，再把一张纸压在上面，就印出了一整页书。