nine out of

问题描述:

nine out of

词典结果:
nine out of ten
[英][naɪn aut ɔv ten]
[美][naɪn aʊt ʌv tɛn]
意为:十之八九;
例句:
Nine out of ten compounds cannot penetrate the brain,research shows.
研究显示,十分之九的化合物都无法深入脑部.