burrown.(兔子等)所掘的地洞vt.挖掘(洞穴)；钻进vi.翻寻；挖洞burrow rock drill潜孔凿岩机burrowing organism掘穴生物burrow into a mystery探索神秘的事burrowing into method钻入法burrowed click beetle叩头虫burrow deeper into caves躲进山洞burrowing phagedenic ulcer进行性协同性坏疽, Meleney溃疡burrowing marine mollusk.穴居的海洋软体动物。burrow a shaft through snow在积雪中开隧道burrowing rodents densities鼠洞密度