基本解释格兰氏阴性,革兰氏染色阴性,革兰氏阴性的同根派生 Gram-negative相关词英汉例句The test for bacteria was negative.细菌试验结果是阴性的。VCT generates optimism as large numbers of persons test HIV negative.为大多数检测结果阴性的人带来乐观。Gram-negative更多例句