他犯下的滔天罪行给她的生活蒙上了永久的阴影。Her life has been per-manently blighted by his heinous crime.她可能会留下永久的创伤。She may have been scarred for life.永久的失明irrecoverable loss of sight...
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.Applic [ a t...
红外线广泛应用于工业和医学科学.Infrared is widely used in industry and medical science.它对红光,红外线的光以外的其它光相对来说是不敏感的.It is relative insensitivity to other than red and infrared lights.在红外线区, 吸收主要是因为水气的缘故.In the infrared, the absorption is ...