在过去的半个世纪中，近地轨道已经变得杂乱无章、布满残骸，航天部门和科学家们警告说卫星和载人太空船遭遇碰撞的危险越来越大。

Over the last half-century, low Earth orbit has become so littered with debris that space agencies and scientists warn of the increasing danger of collisions for satellites and manned spacecraft.

youdao

在过去的半个世纪中，近地轨道已经变得杂乱无章、布满残骸，航天部门和科学家们警告说卫星和载人太空船遭遇碰撞的危险越来越大。

Over the last half-century, low Earth orbit has become so littered with debris that space agencies and scientists warn of the increasing danger of collisions for satellites and manned spacecraft.

youdao