Word一旦 湿度 太 高， 就 需要 通风。yídàn shīdù tài gāo, jiù xūyào tōngfēng.MeaningOnce the humidity is too high, ventilation is needed.Part of speechsentencePronunciationCourseHardcore ChineseLessonCaring for indoor plantsBreakdown of yídàn shīdù tài gāo, jiù xūyào tōngfēng.太tàitàitoo就jiùjiùthen需要xūyàoxūyàoto need高gāogāohigh