Primary radical
石 is the Unicode primary radical used to organise 研.
石 is the Unicode primary radical used to organise 研.
开 is recorded as the sound-side component in this pictophonetic analysis.
Each square adds one stroke in the standard writing order.
HSK 4 · research; a study; to research; to look into
HSK 4 · graduate student; postgraduate student; research student
HSK 5 · to investigate and research; research; investigation
HSK 5 · (scientific) research
HSK 5 · research and development; to develop
HSK 5 · to research and manufacture; to research and to develop
他潜心研究音乐。
Tā qián xīn yán jiū yīn yuè。He applied himself to the study of music.
to grind, to rub; to study, to research
研 has 9 strokes. Follow the animated stroke-order sequence above, then practise it on the writing page.
石 is the radical in 研. It can provide a meaning-side clue.
研究 (yánjiū): research; a study; to research; to look into; 研究生 (yánjiūshēng): graduate student; postgraduate student; research student; 调研 (diàoyán): to investigate and research; research; investigation.