Namibian law permits ranchers to shoot cheetahs to protect their livestock...纳米比亚法律允许农场主射杀猎豹以保护家畜。Scientists are attempting to discover exactly what makes cheetahs the fastest running animals on the planet.科学家正试图发现什么使猎豹成...
Had he been indiscreet in what he had said?他曾轻率地说过什么吗？Tom was utterly indiscreet, and could never keep a secret.汤姆言语很不谨慎，什么时候也别想他守住秘密。How could he be so indiscreet?他怎么能如此轻率？...
N - acylhomoserine lactone ( AHL ), as quorum sensing signals, regulate expression of virulence factors of many plant pathogens.N - 酰基高丝氨酸内酯 ( N-acylhomoserine lactone, AHLs ) 作为细菌群体感应中的信号分子参与调节植物病原细菌致病因子的表达.Unfortunatel...