horizon

英文解釋：

名詞 horizon:

1. the line at which the sky and Earth appear to meet
   同義詞：apparent horizon, visible horizon, sensible horizon, skyline
2. the range of interest or activity that can be anticipated
   同義詞：view, purview
3. a specific layer or stratum of soil or subsoil in a vertical cross section of land
4. the great circle on the celestial sphere whose plane passes through the sensible horizon and the center of the Earth
   同義詞：celestial horizon

例句：

1. The mountainous island loomed on the horizon.
   那座巨大的島嶼隱隱約約浮現在地平線上。
2. A surge of innovation in techniques is on the horizon.
   技術改進的浪潮即將出現。
3. The lights were blinking on the horizon.
   燈光在地平線上閃爍著。
4. The sun rose above the horizon.
   太陽升到地平線上。
5. The sun sank below the horizon.
   太陽已沈入地平線。
6. The sun appeared above the horizon.
   太陽出現在地平線上。