Fast enough, NASA says, to prevent widespread contamination and save lives.NASA认为只有足够快才能预防炭疽的遍布污染和拯救生命.We must ensure our children against contamination by bad ideas.我们必须保护我们的儿童不受坏思想的侵蚀.The contamination of wild barm wou...

n.污染，弄脏，毒害，玷污...

interlamination的音标：interlamination的英式发音音标为：[ɪntɜ:rlæmɪ'neɪʃən]interlamination的美式发音音标为：[ɪntɜrlæmɪ'neɪʃən]...

decontamination的音标：decontamination的英式发音音标为：[ˌdi:kənˌtæmɪ'neɪʃn]decontamination的美式发音音标为：[ˌdikənˌtæmɪ'neɪʃn]...

n.叠层，层压...

METHODS: The target compound was prepared by the bromination and amination reaction.方法: 用溴代及胺化反应合成了四甲基吡嗪衍生物.The effects of triacetoneamine concentration on hydrogenation and amination were discussed.论述了三丙酮胺纯度对加氢和还原胺化反应的影...

Forest coccus blood is not bad chemical examination from what comes out?林球菌血液可以化验出来 吗 ?The classroom was quiet during the examination.考试时教室里一直是静悄悄的。The college entrance examination is like a sword of Damocles.高考就像是一把达摩克里...