自然科學史 — zì rán kē xué shǐ

1

zì⁴

self; private, personal; from / certainly; naturally; suddenly / section, department; field, branch; science / learning, knowledge, science; to study, to go to school; -ology / history, chronicle, annals

2

rán²

self; private, personal; from / certainly; naturally; suddenly / section, department; field, branch; science / learning, knowledge, science; to study, to go to school; -ology / history, chronicle, annals

3

kē¹

self; private, personal; from / certainly; naturally; suddenly / section, department; field, branch; science / learning, knowledge, science; to study, to go to school; -ology / history, chronicle, annals

4

xué²

self; private, personal; from / certainly; naturally; suddenly / section, department; field, branch; science / learning, knowledge, science; to study, to go to school; -ology / history, chronicle, annals

5

shǐ³

self; private, personal; from / certainly; naturally; suddenly / section, department; field, branch; science / learning, knowledge, science; to study, to go to school; -ology / history, chronicle, annals

As word