| 单词 | excavator |
| 释义 | excavator /eks"keuh vay'teuhr/, n. 1. a person or thing that excavates. 2. a power-driven machine for digging, moving, or transporting loose gravel, sand, or soil. 3. a sharp, spoonlike instrument used for scraping out diseased tissue, as in dentistry. [1805-15; EXCAVATE + -OR2] |
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