纽扣电池 Traditional 紐扣電池 niǔ kòu diàn chí 🔊 button cell + Keep this word Meanings niǔ kòu diàn chí 紐扣電池 button cell Its characters 纽niǔto turn扣kòuto fastenHSK 6电diànlightningHSK 3池chípond