三碳糖 [ㄙㄢ ㄊㄢˋ ㄊㄤˊ; san1 tan4 tang2] triose (CH20)3, monosaccharide with three carbon atoms, such as glyceraldehyde 甘油醛[ㄍㄢ ㄧㄡˊ ㄑㄩㄢˊ; gan1 you2 quan2] ◄ ►