Copper matrix
[医] 铜质型片
🧩 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
that will bring parents and teachers together once a week
让家长们及教师每星期一次
He had to resign, to save face.
为了保全面子，他不得不辞职。
More or less!
差不多！