1 the act of returning to a place or an area of activity that you used to be in 重新进入；再次进入: She feared she would not be granted re-entry into Britain. 她担心自己不会被允许再进入英国。

2 (technical术语) the return of a spacecraft into the earth's atmosphere （航天器）重返大气层: The capsule gets very hot on re-entry. 航天舱重返大气层的时候温度升得很高。