夫妇俩进去之前在门阶上简短地说了几句.The couple chatted briefly on the doorstep before going inside.将空奶瓶放在门阶上。Leave empty milk bottles on the step.一对年轻人在门阶上亲吻拥抱。A couple of teenagers were kissing and cuddling on the doorstep....
介绍了一种在凝胶体系中用扩散法制备草酸亚铁的结晶方法.A diffusion method for the preparation of ferrous oxalate in a gel system was presented.实验结果表明:添加有氯化亚铁的细水雾,其灭火性能发生了显著变化.This paper presents an experimental study of fire suppression effectivene...
Baxter arrived here this afternoon, on a surprise visit.巴克瑟特今天下午突然来此拜访.This afternoon the Palestinians held an impromptu press conference.今天下午巴勒斯坦方面临时召开了记者招待会。Oh, those books! I meant to put them away before this afterno...