【单选题】
Forerunners of machine tools included bow drills and potter's wheels, which had existed in ancient Egypt prior to 2500 BC, and lathes, known to have existed in multiple regions of Europe since at least 1000 to 500 BC.翻译为:机床的鼻祖包括弓钻和拉坯轮,他们出现在公元2500年的古埃及;而车床,已知至少在公元1000至500年出现在欧洲的多个地区。
参考答案:
参考解析:
举一反三