limpet
noun [ C ] uk/ˈlɪm.pɪt/ us/ˈlɪm.pɪt/
(CREATURE)
帽贝，钥孔（常依附在岩石上）
a small sea creature with a cone-shaped shell that attaches itself to rocks
(BOMB)
US (UK limpet mine)吸附雷（固定在目标上引爆的炸弹）
a type of bomb that is attached to what it is intended to destroy