Alkali - free aluminosilicate glass is a kind of special glass used in many fields.无碱铝硅酸盐玻璃是一种应用范围较广的特种玻璃.The floatability of pyrophyllite is best among three aluminosilicate minerals by using 1228 as the collector.研究采用胺...
The electromagnetic spectrum covers an enormous range of frequencies and energies.电磁波谱包括极大的频率和能量范围.Television systems, which transmit 30 picture frames per second, must operate on a broad electromagnetic spectrum.每秒传输30幅...
Summer weddings need to be arranged months ahead.在夏季举行婚礼需要提前几个月作安排。In more elaborate weddings the best man will be assisted by several groomsmen and a ringbearer.在更为盛大的婚礼上,伴郎会由几个男傧相和一名男花童相伴.Other people's weddings a...
别慌, 公共汽车会准时到达.Stop fussing about; the bus will arrive on time.看见下棋他就馋得慌.His fingers itch at the sight of a game of chess.碘酒涂在伤口上真杀得慌.Iodine smarts when it is put on a cut....