1. 圆斑点：Damage control 破坏性控制 | Dapple 圆斑点 | Decline 老化,劣化

2. 不匀：dancer roller 上下跳动滚轮 | dapple 不匀 | Darcy's law 达西定律

3. 斑纹：dapperling 短小精悍的人 | dapple 斑纹 | dappled 斑纹的

4. 斑点;有斑纹的;有斑纹：dapeche 弹性地蜡 | dapple 斑点;有斑纹的;有斑纹 | dar Zarrouk function 达扎鲁克函数

noun

1. a small contrasting part of something

    e.g. a bald spot
           a leopard's spots
           a patch of clouds
           patches of thin ice
           a fleck of red

    Synonym: spotspecklepatchfleckmaculation