Definition: everything that exists, including all the stars, space, etc. Level: B1
宇宙的其他地方有智慧生命吗？
Is there intelligent life elsewhere in ___the ___universe?
科学家仍在试图理解宇宙的真实大小。
Scientists are still trying to understand the true size of ___the ___universe.
据说这块水晶是宇宙中最强大的物品。
This crystal is said to be the most powerful item in ___the ___universe.
