①
bù tóng different; distinct; not the same; not alike
不
同
②
zhī dào to know; to become aware of; also pr. [zhi1 dao5]
知
道
③
zhú jiǎn bamboo writing slips in ancient times (joined together to form whole scrolls)
竹
简
④
帛
书
⑤
线
装
⑥
线
装
书
⑦
diàn zǐ electronic; electron (particle physics)
电
子
⑧
diàn zi shū electronic book; e-book; e-book reader
电
子
书