They set up purifying systems in places where the water was not potable.他们在许多水质不适合饮用的地方建立了净化系统。Changing iron into steel is a process of purifying the iron.把铁炼成钢是铁的精炼过程.The extra step would increase the margin of safety b...
Sue is a thoroughly precocious little madam if ever there was one.休确实是个少见的早熟的小丫头。Dear Madam, Thank you for your interest in our Memorial Scheme.尊敬的女士，感谢您对我们的纪念方案的关注。Wait till I get you home, young madam.等着我把你接回家来吧，大小姐。...
I undid the bottom two buttons of my yellow and grey shirt.我解开了自己黄灰相间的衬衫上最下面的两个纽扣。The petals can be cooked with rice to colour it yellow.可以把这些花瓣跟米饭一起煮，使米饭变成黄色。Staff will be issued with new grey-and-yellow designer unifor...