天文望远镜对准了夜空中的银河系。

The ___telescope is pointed at the Milky Way in the night ___sky.

当两节火车车厢相撞时，它们会互相嵌套压缩。

When the two train cars collided, they ___telescoped into each other.

为了节省时间，她把两小时的会议内容浓缩成了30分钟的简报。

To save time, she ___telescoped the two-hour meeting into a 30-minute presentation.