challenges
词形变化:
形容词: challengeable | 动词过去式: challenged | 动词过去分词: challenged | 动词现在分词: challenging | 动词第三人称单数: challenges |
同义词:
contender | competitor | competition | rival | contestant | opponent | pretender |
反义词:
defender |
challenges
词形变化:
形容词: challengeable | 动词过去式: challenged | 动词过去分词: challenged | 动词现在分词: challenging | 动词第三人称单数: challenges |
同义词:
contender | competitor | competition | rival | contestant | opponent | pretender |
反义词:
defender |