卷积云 juǎnjīyún cirrocumulus Definitions Defs Origin 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.积云 積雲 jīyún cumulus cumulus; heap cloud. A white, fluffy cloud type typical of sunny weather that can develop into 积雨云 jīyǔyún
