Backgroud and purpose: There is overwhelming evidence that hypoxia present in solid human tumors is a major factor contributing to radioresistance.是什么意思_Backgroud and purpose: There is overwhelming evidence that hypoxia present in solid human tumors is a major factor contributing to radioresistance.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句