Copper bond
[化] 黄铜焊接
🧩 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
Absolutely!
那当然！
When it started raining, I was playing outside.
当雨开始下的时候，我在外面玩。
'You certainly did give me a surprise!' said the vicar.
“你确实使我大吃了一惊！”牧师说，