了解三氯 乙醛 的毒性和致突变作用.Acute toxicity test , mutation test and single - cell gel electrophoresis ( SCGE ) were used.三氯乙醛是无色挥发性的液体,带有刺激性很强的气味,在97.7℃沸腾.Chloral is a colorless, volatile liquid with a very penetrating odor and bo...
The conditions laid down to me were not too limiting.给我规定的条件还不算太苛刻。Limiting casualties is important for public relations.减少伤亡人数对于维护公众形象很重要。Two-thirds of the French are in favour of limiting foreign imports into Europe.三分...
这些士兵在沙暴中迷了路。The men lost their way in a sandstorm.大平原上刮起的狂风在遭到过分放牧的草原上形成巨大的沙暴.The winds of the Great Plains caused huge dust storms on overgrazed lands.在1931年和其后的几年, 连接发生严重干旱,接着便是大风沙暴.In 1931 and the following years, a s...