Freezing weather in spring hampered the hens' ability to lay.春天严寒的天气降低了母鸡的产蛋能力。Police have been hampered by Mr Urquhart's use of bogus names.厄克特先生使用了假名，警方的调查因此受阻。The search was hampered by appalling weather con...
Carbonic acid can be made into dyes and disinfectants.石炭酸可作染料、消毒剂等的原料.Alkylphenol ethoxylates ( APEs ), common in detergents and disinfectants, are suspected hormone disruptors.烷基酚聚氧乙烯 ( APE ) 类:俗称乙醇盐, 常用清洁剂和杀菌剂, 是一种可能破坏...