Marconi sent the first radio communication signals through the air in eighteen ninety-five.

VOA: special.2010.01.31

It's an infectious disease; it is spread by--through the air.

它是一种传染病,通过空气传播

耶鲁公开课 - 生物医学工程探索课程节选

His S-38 amphibian flew through the air and then landed on water.

VOA: special.2010.09.10