28度的英文的缩写为28 degrees。
双语例句：
1、气温降到零下28摄氏度。
The temperature dropped to minus 28 degrees centigrade.
2、昂宿星团的星群位于金牛座28度。
The star cluster of the Pleiades is located at28 degrees taurus.
3、非一般的国际品牌饭店在一个28度天，饭店把空调给关了。
This is not a normal Holiday Inn as they switched off the airconditioning unit on a28 degree day.
