Noun:

1. Dutch astronomer who proved that the galaxy is rotating and proposed the existence of the Oort cloud (1900-1992)

Oon乌翁OOabbr.面向对象的(=Object Oriented)Oosteinden.奥斯坦德(在荷兰；东经 6º48' 北纬 53º25')oom brush地板刷Ootmarsumn.奥特马瑟姆(在荷兰；东经 6º55' 北纬 52º25')oomicrite鲕粒泥晶灰岩oogenotop卵形成器(动)ootherapy卵巢制剂疗法oo-stat球虫消杀剂oothecoma卵巢瘤Oostmallen.奥斯特马勒(在比利时；东经 4º45' 北纬 51º18')Oostethus小海龙

1. There it causes havoc in the Oort Cloud, a huge region surrounding the solar system that contains billions of bits of cosmic rubble left over from the formation of planets.
   在那里，它引起了奥尔特云的浩劫，奥尔特云是一个巨大的围绕太阳系的区域，里面包含了数十亿从行星形成中分离出来的宇宙碎块。