With a read speed of 16 MB/s and a write speed of 6MB/s, the 8GB memory card is one-and-a-half times faster than the Speed Class 4 SDHC standard.是什么意思_With a read speed of 16 MB/s and a write speed of 6MB/s, the 8GB memory card is one-and-a-half times faster than the Speed Class 4 SDHC standard.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句