vanishing point

1. N-COUNT The vanishing point is the point in the distance where parallel lines seem to meet. 滅點[usu sing]

The motorway stretched out ahead of me until it narrowed to a vanishing point some miles away. 高速公路在我面前延伸開去，直至在幾英里外匯合成一個小點。

2. N-UNCOUNT If you say that something has reached vanishing point, you mean it has become very small or unimportant. 微不足道的程度

By 1973, this gap had narrowed almost to vanishing point. 到1973年，這一差距已縮小到幾乎為零。