昼夜 zhòuyè HSK7 continuously Definitions Defs Origin Strokes Stroke Words Sentences Sents 不分昼夜 bùfēnzhòuyè round-the-clock day and night; continuously without distinguishing between daytime and nighttime昼夜平分点 zhòuyèpíngfēndiǎn equinox the equinox昼夜节律 zhòuyèjiélǜ circadian rhythm
