instance 名词复数:instances 过去式:instanced 过去分词:instanced 现在进行时:instancing 词形变化: 动词过去式: instanced | 动词过去分词: instanced | 动词现在分词: instancing | 动词第三人称单数: instances | 词义辨析: 同义: n.例子; 事件 example case occasion circumstance 同义参见: case1 reference thing