Anthra copper
[化] 蒽素铜
🧩 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
and giving up your free time.
放弃了你的闲暇时间。
A penny saved is a penny gained.
省一文是一文。
That's a great idea!
好主意！