A bolt of lightning flashed across the horizon.

一道闪电划过平线。

Graham sat aft, looking steadily out to the horizon.

格雷厄姆坐在尾，凝望着平线。

The skyline is easily discernible even at a distance of several miles.

甚至在几英里之外都可清晰辨别出平线。

He descried an island far away on the horizon.

他看到遥平线上有个岛屿。

The horizon is a continuous line.

平线是一条不延伸直线。

The sun appeared on the horizon.

太阳在平线上出现。

A ship disappeared below the horizon.

在平线下。

The captain swept the horizon.

长向平线扫视了一下。

New Horizons' trailblazing journey to the solar system's outermost frontier took it past the orbit of Mars today at 6 a.m. EDT , 78 days after the spacecraft launched.

新平线打响了探索太阳系边疆第一炮，而在今天美国东部时间早上6点，在发射了78天后它成功跨越了火星轨道。