太阳活动 Traditional 太陽活動 tài yáng huó dòng 🔊 sunspot activity + Keep this word Meanings tài yáng huó dòng 太陽活動 sunspot activitysolar variation Its characters 太tàitoo; so (very)HSK 1阳yángpositive (electric.)活huóto liveHSK 4动dòngto moveHSK 2