Crude copper
[机] 粗铜
🧩 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
Thanks, Mom.
谢谢，妈。
In university, students are trained to become lawyers and dentists.
大学的学生被训练成为律师和牙医。
I heard some one laughing.
我听见有人在笑。