试题题干
Translate the following sentence into Chinese.
A few years ago, our group at Saclay, in collaboration with a number of other European Laboratories orbited a telescope that revolutionized our knowledge of gamma-ray emissions by celestial objects.
参考答案
试题解析
考点：a few years ago 几年前；in collaboration with 与······合作；gamma-ray emission Y射线；celestial object 天体。
句子结构：句子主干为our group orbited a telescope，that引导定语从句修饰telescope。