外加附件 wài jiā fù jiàn 🔊 add-on (software) + Keep this word Meanings wài jiā fù jiàn add-on (software)plug-in (software) Its characters 外wàioutsideHSK 1加jiāto addHSK 3附fùto add; to attachHSK 7–9件jiàn(measure word for clothes, things)HSK 1