例句與造句

1. the results suggest that both cell types, and probably others, are involved in the development of breast cancer
   研究結(jié)果表明，這兩種類型的腫瘤細(xì)胞（干細(xì)胞樣祖細(xì)胞和癌細(xì)胞），或許還有其它的，都與乳腺癌的發(fā)生進(jìn)程有關(guān)。
2. It's difficult to find development of breast in a sentence. 用development of breast造句挺難的