blackboard
名词复数:blackboards
词形变化:
名词: blackballer | 动词过去式: blackballed | 动词过去分词: blackballed | 动词现在分词: blackballing | 动词第三人称单数: blackballs |
blackboard
名词复数:blackboards
词形变化:
名词: blackballer | 动词过去式: blackballed | 动词过去分词: blackballed | 动词现在分词: blackballing | 动词第三人称单数: blackballs |