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
Los Angeles? That's a big decision. Los Angeles
这可是个大决定。
It is not polite to eavesdrop on the conversation of other people.
偷听他人说话是很不礼貌的。
Opportunity knocks but once.
机不可失，时不再来。