Copper number
[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
Sure. Hand me the pen.
当然。请把笔给我。
You should wear a sweater, It's cold today.
你应该穿一件毛衣，因为今天很冷。
It's up to you.
由你决定。