从飞机舷窗可以清楚地看到城市的灯光。

The city lights were clearly ___visible from the airplane window.

要确保疏散标志在大楼的每个位置都能看见。

Make sure the exit signs are ___visible from every part of the building.

他等待着船只出现在地平线上。

He waited for the ship to become ___visible on the horizon.