ceiling and visibility unlimited (CAVU)的用法和樣例：
例句
- We had a splendid view of the mountains because of the very good visibility.
由于能見(jiàn)度極好，我們看到了壯麗的山景。 - The limpid sea water with high visibility and the magical marine world are the favorite of amateur divers.
能見(jiàn)度極高的海水和五彩斑斕的海底世界更是潛水愛(ài)好者的最?lèi)?ài)。
