相关单词同义词accidentally, unexpectedly, 近义词 luckily 幸运地, as luck would have it 碰巧, fortunately 幸运地临近词fortuitous, fortuitous variation, fortuitous collision, fortuitous distortio, fortuitous causality, fortuitous connection, fortuitous distortion, fortuitous determinant, fortuitous interference, fortuitous causal relationship, fortuitous telegraph distortion 返回 fortuitously