coarsens 词形变化： 动词过去式: coarsened | 动词过去分词: coarsened | 动词现在分词: coarsening | 动词第三人称单数: coarsens | 同义词： roughly | thickly | crudely | unevenly | harshly | vulgarly | rudely | brashly | smuttily | crassly | grossly | obscenely | 反义词： finely |
