For many years sundials have cast their spell over scientists and mathematicians.多年来，日晷一直吸引着科学家和数学家们。Churchyards often have sundials in them.教堂大院里通常设置日晷.Sundials have been around for centuries because are accurate and ea...
她鲜红色的口红更衬出了她牙齿的洁白。Her scarlet lipstick emphasized the whiteness of her teeth.他拾起一张宣传保护牙齿的传单.He picked up a leaflet about care of the teeth.正在长牙齿的婴儿喜欢咬硬物.Babies who are getting new teeth like something hard to bite on....
The criterion is helpful for rational alloying of maraging steels with lower Ni and Co contents.这些为马氏体时效钢降镍钴和合理的合金化提供有益的看法.The criterion of irreversibility is also not decisive for the interpretation of demarcation of de...
全国总电量的40%是这家发电厂提供的。The plant provides forty per cent of the country's electricity.燃煤火力发电厂a coal-fired power station每到星期天发电厂巨大的转轮便停止工作了.On Sunday the great flywheels of the power station are still....