Word

HSK	Not in HSK
FREQUENCY	Unknown

胶原蛋白 jiāo yuán dàn bái

胶 jiāo HSK 5	glue, gum, resin, rubber; sound; shin bone
原 yuán HSK 4	source, origin, beginning
蛋 dàn HSK 2	eggs; term of abuse
白 bái HSK 2	white; pure, unblemished; bright