object focal point

基本解释

You need a focal point – like when a photographer chooses the central subject of a picture, the primary object on which all eyes focus.
你需要重点式选择时的中心主题摄影图片、主要对象是所有目光的焦点。
A few fall because single tourist, sweethearts tourist takes a picture no-go, perhaps need group photo to wait, make their focal point " take care of " object.
一些落单的游客、情侣游客因为拍照不方便，或者是需要合影等，成为他们重点“照顾”的对象。
That means a massive object such as a galaxy can act like a lens, bending light from things behind it to a focal point in front of it, and forming a natural telescope.
这意味着，如星系这样庞大的物体就好像一块透镜，将它背后物体射出的光折射到它前面的某个焦点，形成一个天然的望远镜。