🧩 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] 浓度饱和
🗣️ 情景例句
Many students are working at part time jobs.
许多学生兼职打工。
You are fatter than I am.
你比我胖。
Last Wednesday, I went for a walk in the woods.
上星期三我到树林里去散步。