相关单词臨近詞upper fin, upper, upper end-shield, upper bound theory, Upper digest tract, upper closed limit, upper wing coverts, upper layer stacks, upper anticyclonel, Upper memory block, upper idler roller, upper horizon soil相似詞upon, (upon) my word! idiom, upper, upper airway resistance syndrome, upper class, upper house, uppermost, uppity, 返回 upper case