卷舌音 juǎnshéyīn retroflex sound Origin Definitions Defs Strokes Stroke Words Sentences Sents 卷 捲 juǎn verb to roll up To bend something into a cylindrical or semi-circular shape; to curl up.舌音 shéyīn lingual sound a speech sound produced with the tongue, categorized into apical, dorsal, or radical sounds depending on the part of the tongue used