A dirty cut may go septic.伤口不干净容易受感染。A flake of plaster from the ceiling fell into his eye, which became septic.天花板上的一小片熟石膏掉到他眼里,致使他的眼睛感染了。A dirty cut may become septic , ie affected by bacteria.伤口不洁可受感染....
I need to get to Lyon by nightfall...我需要在黄昏前到达里昂。I started work at dawn and returned only at nightfall.我披星戴月地工作。I need to get to Lyon by nightfall.我需要在黄昏前到达里昂。They were trying to make New Orleans by nightfall.他们力图在黄昏前赶到新...