Copper value
[化] 铜值
🧩 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
Don't be so grumpy.
别总这么爱抱怨。
The postman always comes at 2 o'clock.
邮递员总是在2点钟来。
Time is up.
时间快到了。