soft copper的用法和樣例：
例句
- Resist the temptation to remove all of the black spots by hard scrubbing or by flexing the soft copper.
抵制誘惑，刪除所有的黑點很難擦洗或伸縮軟銅。 - With his bow drill, the workman bores small cavities for brads of soft copper to be hammered in, binding the pieces.
他要用弓鑽現在上面打幾個小孔，然後軟銅做成的曲頭釘穿在裡面好把碎片綁在一起。
