🧩 词语组成解析
copper
['kɑpɚ]
n. 铜;铜币;紫铜色;警察;
adj. 铜制的;
vt. 镀铜;
n. 底部沉积物；残留物；蒸馏残渣；下装；臀部（bottom的复数形式）
🗣️ 情景例句
Thanks ... for what?
谢什么？
This is a highly controversial subject.
这是一个颇有争议的题目。
Travellers on short trips to areas with water supplies of uncertain quality should avoid drinking tapwater, or untreated water from any other source.
短途旅行到水质不保险的地区时，应避免饮用水龙头的水或未经处理任何其他来源的水。