丙糖 [ㄅㄧㄥˇ ㄊㄤˊ; bing3 tang2] triose (CH20)3, monosaccharide with three carbon atoms, such as glyceraldehyde 甘油醛[ㄍㄢ ㄧㄡˊ ㄑㄩㄢˊ; gan1 you2 quan2] ◄ ►