Copper refining
[建] 铜(之)精炼
🧩 词语组成解析
copper
['kɑpɚ]
n. 铜;铜币;紫铜色;警察;
adj. 铜制的;
vt. 镀铜;
[计] 精炼, 提纯\\n[化] 精炼; 精制; 提炼; 匀料; 匀浆
🗣️ 情景例句
Pete Waters's farm, near Chesterton.
Pete Waters的农场 ，在Chesterton附近。
Vows made in storms are forgotten in calms.
激动时所立的誓，平静时会忘记的。
It took years of hard work to speak good English.
讲一口流利的英语需要多年的刻苦操练。