Word: 分子 (fènzǐ, fēnzǐ, fènzi) Traditional: 份子 分子 dictionary entry fènzǐ member of a class or group fēnzǐ molecule; numerator of a fraction fènzi Taiwan variant of 份子[fen4 zi5] Full dictionary entry for 分子 Example sentences using 分子 2 sentences, showing page 1 of 1. 分子太小，眼睛看不见。 Fènzǐ tài xiǎo, yǎnjing kànbújiàn. Molecules are too small to be seen with the eye. 热水里的分子动得更快。 Rèshuǐ lǐ de fènzǐ dòng de gèng kuài. Molecules move faster in hot water.