1590s, from Latin excavatus, past participle of excavare "to hollow out," from ex- "out" (see ex-) + cavare "to hollow, hollow out," from cavus "cave" (see cave (n.)). Related: Excavated; excavating.
权威例句
1. They plan to excavate a large hole.
他们计划挖个大洞.
2. A contractor was hired to drain the reservoir and to excavate soil from one area for replacement with clay.
雇了一个承包商抽干水库的水,挖掉一个区域的泥土后再用黏土填上。
3. They plan to excavate a large hole before putting in the foundations.
他们计划打地基前先挖个大洞.
4. The 2 nd week, driveway fill and level up, but excavate.
第二星期, 马路填平了, 可又挖开了.
5. Fill and level up of the third week of driveway, but excavate.