visible horizon

1. Two ships were barely visible on the horizon.
   海平线上几乎能看到两艘船。
2. It had merged into the gathering dusk and was visible now only as a deeper shade of black against the horizon.
   阴影融入了无尽的薄暮中，只能从地平线上看到它比薄暮的夜色更深更黑。
3. By arguing visible and perceptive formation and the theory of tower psychology I prove the mental reaction process that the abstract elements, for example, the horizon produces.
   通过分析视知觉的形成与特点及格式塔心理学理论，进一步论证了水平线等抽象元素在绘画中所产生的心理反应和印证过程。

noun

1. the line at which the sky and Earth appear to meet

   Synonym:    horizonapparent horizonsensible horizonskyline