gram-negative bacteria
[医]革兰（氏）阴性（细菌）
[例句]Researchers have known for more than 20 years how so-called gram-negative bacteria like escherichia coli degrade and recycle their rna.
20多年前研究人员就已经知道所谓的如大肠杆菌等革兰阴性菌如何降解回收利用它们的rna.
gram-negative bacteria
[医]革兰（氏）阴性（细菌）
[例句]Researchers have known for more than 20 years how so-called gram-negative bacteria like escherichia coli degrade and recycle their rna.
20多年前研究人员就已经知道所谓的如大肠杆菌等革兰阴性菌如何降解回收利用它们的rna.