The north pole is warmer than the south and the circulation of air around it is less well contained.

北极比南极温暖，其周围的空气循环更为畅通。

《柯林斯英汉双解大词典》

During this time when fewer natural foods are available and air temperatures are lower, extra feeding can keep a bird warm and well.

在这段时间里，自然中鸟类的食物越来越少，空气温度也越来越低，额外的喂养可以让鸟类保持温暖和健康。

youdao

You could do experiments in the shuttle as well, where you have only air around you.

你也可以在航天飞机上做实验，你周围只有空气。

youdao

Neighbouring Long Coast Seasports (852-8104-6222) rents both small and roomy tents with different degrees of furnishing -- some even have air-conditioning -- as well as an array of water sports equipment including kayaks, bodyboards and skimboards.

BBC: Beach camping in Hong Kong

Veterans who served in the Army, Royal Navy and Air Force - as well as personnel from New Zealand and Fiji - were all exposed to radiation.

BBC: Veterans' long battle for nuclear tests' compensation

By 1952, two other government entities -- the U.S. Army and the U.S. Air Force -- had purchased Univacs as well, the Air Force for keeping inventory.

CNN: Machines on a mission