英语听力精选进阶版 14453（在线收听）

Mountaintop blasted to build huge telescope

Vocabulary

revolutionise

completely change (how something is done or how people think)

astronomy

the scientific study of the universe and of stars, planets, and other objects in the universe

clearing the way

making it possible (for something to happen)

structure

large building built from parts

at its heart

in the centre

transform

completely change and make better

in earnest

with purpose and determination