PB的中文意思、音标与词形变化

[计] 10的15次方字节 [医] 铅(82号元素)

n a soft heavy toxic malleable metallic element; bluish white when freshly cut but tarnishes readily to dull grey n a unit of information equal to 1000 terabits or 10^15 bits n a unit of information equal to 1000 terabytes or 10^15 bytes n a unit of information equal to 1024 tebibytes or 2^50 bytes