LOS ANGELES  - A satellite designed to test two fundamental predictions made by Albert Einstein about the universe is ready for launch, 45 years after it was first proposed, NASA and Stanford University officials said Friday.

词汇：

fundamental
adj.基础的, 基本的 n.基本原则, 基本原理

prediction
n.预言, 预报

launch 
n.下水, 汽艇, 发射, 发行, 投放市场
vt.使(船)下水, 掷(标枪等), 发射(导弹、火箭等), 开办, 发动, 发起
vi.起飞, 下水, 投入, 开始