an indoor swimming pool室内游泳池Indoor pollution falls into two categories, that which we can see or smell, and pollution which is invisible and produces no odour.室内污染分为两种：一种是我们能看得见或闻得着的，另一种是无色无味的。The spa has 6 indoor pools,...
Name six perennials and six annuals suitable for indoor flower arrangement.列出多年生及一年生花朵各六种,它们必须是适合插花的.Objective To observe the efficacy of a multifactorial combination air disinfector in disinfecting indoor air.目的观察一种多因子组...
英国的天气易变是有名的.The weather in Britain is notoriously changeable.我可以把他们易变的、不成熟的心灵雕塑成最适合我的工具.From their flexible and unformed minds I can carve out my fittest tools.西安 的天气很易变的.The weather in Xi'an is always changeable....