信箱 xìnxiāng HSK5 inbox Origin Definitions Defs Strokes Stroke Words Sentences Sents 邮政信箱 yóuzhèngxìnxiāng PO box post office box电子信箱 diànzǐxìnxiāng inbox email inbox语音信箱 yǔyīnxìnxiāng voicemail an electronic system or storage space for recorded voice messages left by telephone callers