He was stuttering with rage.他气得说话也结结巴巴起来.He had to stop talking because if he'd kept on, the stuttering would have started.他不得不停止讲话，因为如果他继续讲的话，他的口吃就会发作。Stuttering almost uncontrollably , Billy rejects the idea.毕利结结巴...
The Minnesota work on kaersutite also showed the presence of the isotope neon - 21.明尼苏达大学关于钛角闪石的研究表明,其中也存在同位素氖 - 21.Today, most cyclotrons are used either for instructional purpose or for isotope production.今天大多数回旋加速器是用在...
主铬铁岩矿层及麦仑斯基矿层出露不好.The Main Chromitite Seam and the Merensky Reef do not outcrop well.希腊生产耐火级铬铁矿石已有百余年历史.Greece has been producing refractory grade chromite ore for more than a hundred years.铬铁废渣是生产铬盐或其氧化物所排放的废渣.Cr - Fe w...