旋转曲面

a surface of revolution (math.)

to revolve / a loop / a circle

to whirl / immediately / variant of 鏇|镟[xuan4]

to rotate / to revolve / to spin / to whirl

see 轉文|转文[zhuai3 wen2]

to turn / to change direction / to transfer / to forward (mail) / (Internet) to share (sb else's content)

to revolve / to turn / to circle about / to walk about / classifier for revolutions (per minute etc): revs, rpm / classifier for repeated actions

surname Qu

bent / crooked / wrong

tune / song / CL:支[zhi1]

variant of 麴|曲[qu1]

yeast / Aspergillus (includes many common molds) / Taiwan pr. [qu2]

curved surface / surface

face / side / surface / aspect / top / classifier for objects with flat surfaces such as drums, mirrors, flags etc

variant of 麵|面[mian4]

flour / noodles / (of food) soft (not crunchy) / (slang) (of a person) ineffectual / spineless