柯林斯詞典cluster bomb (cluster bombs) 1. N-COUNT A cluster bomb is a type of bomb which is dropped from an aircraft. It contains a large number of smaller bombs that spread out before they hit the ground. 集束炸彈 返回 cluster bomb劍橋詞典an explosive device that throws out smaller bombs when it explodes 榴霰彈，子母彈，集束炸彈 返回 cluster bomb