Copper stain test
[化] 铜片试验
🧩 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 doesn't quite suit me.
我对次不甚满意。
He lacks the necessary experience.
他缺乏必要的经验。
Dancing proved to be more than the dish could bear, for during the party it capsized and sank in seven feet of water.
舞会进行过程中，盘子倾覆，沉入了7英尺深的水中。