He felt as if he were suddenly enveloped in winter in the soft airs of the South.

他觉得自己仿佛突然被笼罩在冬天的南方柔和的空气中。

The summer afternoon was drowsy with the hum of passing helicopters; and the deeper drone of the rocket-planes hastening, invisible, through the bright sky five or six miles overhead was like a caress on the soft air.

直升机嗡嗡地飞，飞得夏日的午后睡意蒙俄。火箭飞机从五六英里外的晴朗的天空急速掠过，虽然看不见，它那更加深沉的轰鸣却仿佛是在抚摩着柔和的空气。