心律不整 xīnlǜbùzhěng arrhythmia Definitions Defs Origin Strokes Stroke Words Sentences Sents 心律 xīnlǜ heart rhythm rhythm of the heartbeat不 bù adverb not Negative adverb used before verbs, adjectives, and other adverbs to indicate negation; also used as a bound-form prefix to form terms with opposite meanings整 zhěng adjective orderly (bound form) in good order; neat; tidy