单词daisy-cutter
na.: 跑时举足极低的马；(贴近地面的)滚球；【军】榴霰弹
网络: 常规武器中威力最大的炸弹
擦地球；地滚球；滚地球:
a ball hit or thrown to roll or bounce low along the ground
摘菊使者（杀伤范围大的空投炸弹）；滚地球炸弹:
a very powerful bomb dropped from an aircraft that explodes close to the ground and causes a lot of destruction over a large area
比赛用的英纯种马或标准种马