In September, he and his colleagues pre-printed a paper on the subject which did not acknowledge the contribution to the field of two researchers called Arnon Dar and Nir Shaviv.
ECONOMIST: More on gamma-ray bursts
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。