The chill wind whipped in and out in gusty breaths.一阵阵寒风像鞭子一样抽打着行人.It is snowy, and blowy, and gusty, and bitter cold!这里在下雪, 狂风呼啸, 而且非常寒冷!Weather forecasts predict more hot weather, gusty winds and lightning strikes.天气预报...
Antibodies in breast milk protect babies against infection.母乳中所含的抗体可以保护婴儿免受感染.The antibodies attack and slaughter the invading microbea in the cut.抗体能攻击和杀伤侵入伤口的微生物.Each type evokes antibodies which protect against the ho...
Nefedipine was synthesized with m - Nitrobenzaldehyde, ethyl acetoacetate ammonium acetate.以间硝基苯甲醛, 乙酰乙酸乙酯,氨化试剂为原料.The cross - linking reaction between dialdehyde compound and cellulose acetate raises the chemical stabil...