The setting sun lent an air of melancholy to the scene.
落日给景色增添了伤感的气氛。
《牛津词典》
2
The diaphragm vibrates, thus setting the air around it in motion.
膜片振动， 这使得周围的空气也动荡起来。
《新英汉大辞典》
3
A bright and sunny beach setting provides required visibility for Ultimate Frisbee players, helping them locate the Frisbee as it glides through the air.