快速动眼期 Save Sign in to save words Traditional (Taiwan): 快速動眼期 kuàisùdòngyǎnqī ㄎㄨㄞˋ ㄙㄨˋ ㄉㄨㄥˋ ㄧㄢˇ ㄑㄧ REM sleep Character by character 快(kuài)rapid 速(sù)fast 动(dòng)move 眼(yǎn)eye 期(qī)period A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0