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
the minute he comes home.
他一回来。
My father is over 60 years old.
我父亲已年过六十了。
The small ship, Elkor, which had been searching the Barents Sea for weeks, was on its way home.
小船“埃尔科”号在巴伦支海搜寻了几个星期之后，正在返航途中。