求翻译：公元前210年，丞相李斯向秦始皇报告，称其带了72万人修筑骊山陵墓，已经挖得很深了，好像到了地底一样。秦始皇听后，下令“再旁行三百丈乃至”。是什么意思？

210 BC, Qin Shi Huang report to the prime minister Li Si, saying 72 million people with a mausoleum built Lishan has dug very deep, as if to the same underground. Upon hearing the emperor ordered "and then next to the line three Baizhang well."

210 BCE, Gau, Lee, who report to the emperor, saying that it brought the Lishan mausoleum built 720,000 persons, had dug a very deep, and it seems that the underground. After hearing the first Qin emperor, ordered that the longer side" and even after 300 feet.

210 B.C., Prime Minister Li Si reported to Chin Shihhuang that, called it brought 720,000 people to construct Li's mausoleum, already dug very much deeply, probably arrived the bottom to be same.After Chin Shihhuang listens, issues an order “again the by-passing three ropes made of twisted bamboo st

210 BC, Prime Minister Li SI's report to the Emperor, saying it brought 720,000 people built Lishan tombs, have dug very deep, like the underground,. After Qin Shi Huang ordered "then 300 feet and the next".

210 B.C., Prime Minister Li Si reported to Chin Shihhuang that, called it brought 720,000 people to construct the Li mausoleum, already dug very much deeply, probably arrived the bottom to be same.After Chin Shihhuang listens, issues an order “again the by-passing three ropes made of twisted bamboo