Acieral
铝基合金
🗣️ 情景例句
Have you discussed going back to work with your boss?
你已跟你的老板讨论过回去工作的事吗？
What do you plan to do tomorrow?
你计划明天做什么？
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，