Duopage
双面复制页, 两面干印复制本
🗣️ 情景例句
Without that, it's hard.
没有就难办了。
It doesn't work.
它出故障了。
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，