excavated section

例句：

1. 1. Theteam spent several days excavating thesection of the tunnel that was blocked bydebris.
   团队花了几天时间挖掘被碎片堵塞的隧道部分。
2. 2. The archaeologistsfound a rare species of bird in anexcavated section of the ancient city.
   考古学家在一个古代城市的挖掘区域发现了一种罕见的鸟类。
3. 3. The engineers carefully excavated the section of the road thatneeded repair.
   工程师们仔细挖掘了需要修理的道路部分。