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...
...dwarf shrubs.矮灌木丛A dwarf going upstairs getting higher step by step.矮子上楼梯,步步登高.He is a dwarf.他是一个矮子。...tender young dwarf beans.幼嫩的四季豆While he was yet in unspeakable agonies, the dwarf renewed their conversation.他还没来得...
从电视画面上看,许多木质房屋漂浮在水上.居民们从漂浮在水面上的残存物中寻找着他们的物品.Television pictures showed wooden homes flattened and residents searching through water - soaked debris for their belongings....