相关单词同義詞valid, available, effective, virtual, telling, 近義詞 effective 有傚的, effectual 有傚果的, efficient 傚率高的, practical 明智的, energetic 精力旺盛的, fruitful 多産的, successful 成功的, useful 有用的, worthwhile 值得(做)的, valuable 貴重的反義詞inefficacious, 無傚力的臨近詞efficacy, effete, efficaciously, efficaciousness, efficacious charm, efficacious remedy, efficacious device, efficacious running, efficacious teaching, efficacious ingredient, Efficacious Disinfeitant, efficacious against fever相似詞efferent, effervesce, effervescent, effete, efficacy, efficiency, efficiency apartment, efficiency room, 返回 efficacious