| 单词 | borer |
| 释义 | borer (once / 9016 pages) 1n 2n WORD FAMILY borer: borers+/bore: bored, borer, bores, boring, counterbore/bored: boredly, boredom/boredom: boredoms/boring: boringly, boringness, borings/counterbore: counterbores USAGE EXAMPLESHowever, the scientists warned that the species faced another serious threat - the emerald ash borer insect. BBC(Dec 26, 2016) The pests include the Hemlock woolly adelgid, emerald ash borer and gypsy moth. Seattle Times(Dec 06, 2016) The emerald ash borer feeds on the trees, eventually killing them. Washington Times(Nov 27, 2016) 1 n a drill for penetrating rock 2Syn|Hypo|Hyper bore bit, rock drill, stone drill cross bit a rock drill having cruciform cutting edges; used in mining star drilla steel rock drill with a star-shaped point that is used for making holes in stones or masonry; it is operated by hitting the end with a hammer while rotating it between blows straight flute, straight-fluted drilla rock drill with flutes that are straight drill a tool with a sharp point and cutting edges for making holes in hard materials (usually rotating rapidly or by repeated blows) n any of various insects or larvae or mollusks that bore into wood Syn|Hyper woodborer invertebrate any animal lacking a backbone or notochord; the term is not used as a scientific classification |
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