Copper bearing
[建] 含铜的
🧩 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
What's my account balance?
我的户头还剩多少钱？
The master always exacts quality work from his students.
老师常常要求学生们认真踏实的完成功课。
The maximum weight allowance is 60 kilos per traveler, excluding hand luggage.
每个旅客托运的行李最大重量限额是60公斤，手提行李除外。