后备箱 hòubèixiāng HSK7 trunk Origin Definitions Defs Strokes Stroke Words Sentences Sents 后备 後備 hòubèi adjective reserve personnel or materials prepared in advance for future use; a backup; acting as a reserve or backup (typically used as a modifier)箱 xiāng noun compartment a compartment or carriage of a vehicle, such as a train or cart