borer

名词 borer:

1. a drill for penetrating rock
   同义词：bore bit, rock drill, stone drill
2. any of various insects or larvae or mollusks that bore into wood
   同义词：woodborer

bor.er

n.（名词）
A tool used for drilling.
钻头：用于钻孔的工具
An insect or insect larva, such as the corn borer, that bores into the woody parts of plants.
蛀虫：钻入植物的木质部的昆虫或昆虫幼虫，如玉米螟虫
Any of various mollusks that bore into soft rock or wood.
钻蛀虫：钻入松软岩石或木头中的软体动物