基本解释[生物學]塊突變區段突變英汉例句雙語例句Many such mutations have not yet been identified, and even when a known mutation is found in a tumour, drugs to block its effects may be unavailable.許多類似的變異還沒有得到認証。 即便在腫瘤中發現已知的變異，停止變異的葯物也是沒有。block mutation更多例句专业释义生物學塊突變區段突變