Correct or improve the translation of the following English sent
作者:高老师浏览 0
Correct or improve the translation of the following English sentences.
原文:In 1840, Cyrus performed a miracle by cutting from two to two-and-a-half hectares a day with the curious machine he had been developing for nearly 10 years.
译文:到了1840年,塞路斯用他历经近十年研制的神奇机器创造了一天可割麦2到2.5公顷的一个奇迹。改译: 【正确答案】: