柯林斯词典mushroom cloud (mushroom clouds) 1. N-COUNT A mushroom cloud is an extremely large cloud caused by a nuclear explosion. (核爆炸后形成的)蘑菇云 返回 mushroom cloud剑桥词典a very large cloud of dust that rises into the air in the shape of a large mushroom , especially after a nuclear explosion （尤指核爆炸后形成的）蘑菇云 The mushroom cloud over Hiroshima is a horrific image of war . 广岛上空的蘑菇云是战争恐怖景象的写照。 返回 mushroom cloud