I took a deep breath of the fresh sea air.

我深吸了一口海边的新鲜空气。

《柯林斯英汉双解大词典》

Superb systems of communication by air, sea and land make it possible for us to visit each other's countries at a moderate cost.

有了一流的空中、海上和陆地交通系统，我们就能够以低廉的费用访问彼此的国家。

youdao

The sea air sharpened our appetites.

海上的空气增进了我们的食欲。

《牛津词典》

On a passenger cruise ship, fresh air is available on decks and in other places above sea level.

VOA: special.2009.07.14

The air pressure in a plane during flight is lower than at sea level.

VOA: special.2009.07.14

at General Eisenhower's headquarters,General Jodl, the representative of the German High Command and of Grand Admiral Doenitz, the designated head of the German state, signed the act of unconditional surrender of all German land,sea and air forces in Europe to the Allied Expeditionary Forces, and simultaneously to the Soviet High Command."

VOA: special.2011.06.16

Emergencies will be answered by Royal Navy air sea rescue crews and the Cornwall air ambulance.

BBC: Isles of Scilly helicopter axing provokes economic fears

In response, the government launched an air, sea and land operation to capture the dam.

ECONOMIST: Sri Lanka at war

The U.S. also has acknowledged it has cyberweapons that could help suppress enemy air and sea defenses.

WSJ: Pentagon Digs In on Cyberwar Front