Alkone
酮
🗣️ 情景例句
I think you're doing the right thing. Taking your time.
我觉得你们做得对。慢慢来。
Believe it or not!
信不信由你。
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，