详细解释:a. 后退的, 倒退的, 退步的
vi. 倒退, 退步, 回顾
【医】 退行性的, 逆行的
词型变化:
副词:retrogradely动词过去式:retrograded过去分词:retrograded现在分词:retrograding第三人称单数:retrogrades名词:retrogradation英语解释:
动词 retrograde:
move backward in an orbit, of celestial bodiesmove in a direction contrary to the usual onemove back同义词:retreat