Wind is a current of air caused by a vacuum caused by hot air rising.

风是由热空气上升产生真空而引起的空气流动。

《柯林斯英汉双解大词典》

I felt a current of cool air blowing in my face.

我感到一股凉气吹在脸上。

《柯林斯英汉双解大词典》

I felt a current of cool air.

我感觉到了一阵凉风。

《柯林斯英汉双解大词典》

As it stands, Klipsch's G-17 Air is the current AirPlay-enabled soundsystem to beat at its price point.

ENGADGET: Klipsch Gallery G-17 Air soundbar review

Stanway's traders are buying power in load blocks of 250 to 300 megawatts--enough current to keep the air-conditioning and lights on at more than 200 superstores, depending on the weather (and enough to power 250, 000 homes).

FORBES: Discount Juice

Along with enhanced military cooperation, Panetta emphasized diplomacy that includes "open and free commerce, and open access by all to their shared domains of sea and air" -- a current point of friction in the South China Sea between China and regional nations.

CNN: Panetta visits former U.S. base in Vietnam