Elconite
埃尔科涅特钨铜合金
🗣️ 情景例句
See you later.
再见。
Would you please pass me the sugar?
可以请你把糖递过来吗？
In 1953, a former electronics engineer in his fifties, Christopher Cockerell,who had turned to boat-building on the Norfolk Broads,
在1953年，有一位50多岁名叫克里斯托弗·科克雷尔的原电子工程师，改行在诺福克郡的湖泊地区从事造船业，