研 研 yán Strokes9 Radical 石 — stone, rock, mineral Made of 石 stone, rock, mineral 开 to open How it's builtPhono-semantic — one part hints at the meaning, another at the sound Play the animation More about the character 研
究 究 jiū Strokes7 Radical 穴 — cave, den, hole Made of 穴 cave, den, hole 九 nine How it's builtPhono-semantic — one part hints at the meaning, another at the sound Play the animation More about the character 究
生 生 shēng Strokes5 Radical 生 — life, lifetime Made of 𠂉 cap 土 soil, earth How it's builtIdeograph — the meaning is built from its parts Play the animation More about the character 生