基礎性研究 — jī chǔ xìng yán jiū

1

jī¹

foundation, base / foundation stone, plinth; basis / sex, nature, character; suffix converting a verb to an adjective / to grind, to rub; to study, to research / to dig into, to investigate; actually, after all

2

chǔ³

foundation, base / foundation stone, plinth; basis / sex, nature, character; suffix converting a verb to an adjective / to grind, to rub; to study, to research / to dig into, to investigate; actually, after all

3

xìng⁴

foundation, base / foundation stone, plinth; basis / sex, nature, character; suffix converting a verb to an adjective / to grind, to rub; to study, to research / to dig into, to investigate; actually, after all

4

yán²

foundation, base / foundation stone, plinth; basis / sex, nature, character; suffix converting a verb to an adjective / to grind, to rub; to study, to research / to dig into, to investigate; actually, after all

5

jiū¹

foundation, base / foundation stone, plinth; basis / sex, nature, character; suffix converting a verb to an adjective / to grind, to rub; to study, to research / to dig into, to investigate; actually, after all

As word