三分之一 sānfēnzhīyī one third Origin Definitions Defs Strokes Stroke Words Sentences Sents 21 sentences — page 2 of 2 12 Go to page Go 大约三分之一的美国人在生命的某个阶段报告过膝盖疼痛。 dàyuē sānfēnzhīyī de měiguórén zài shēngmìng de mǒugè jiēduàn bàogào guo xīgài téngtòng. About one-third of Americans report knee pain at some point in their life. Source: CCMatrix 12 Go to page Go