SD card

noun

🔊/ˌes ˈdiː kɑːd/

🔊/ˌes ˈdiː kɑːrd/

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a type of memory card, used with digital cameras, mobile phones, music players, etc. (the abbreviation for ‘secure digital card’) 闪存卡，SD 卡（全写为 secure digital card，数码相机、手机、音乐播放器等所使用的内存卡）