| 单词 | corer |
| 释义 | corer /kawr"euhr, kohr"-/, n. 1. a person or thing that cores. 2. a knife or other instrument for coring apples, pears, etc. 3. a device having a hollow cylindrical drill or tube, used for taking samples of earth, rock, etc., from below the surface of the ground or ocean bottom. [1790-1800; CORE1 + -ER1] |
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