re-entry/ˌri:ˈentrɪ; ri`ɛntrɪ/ n[C, U]1 (act of) re-entering 重新进入或加入; 重返; 重新报名; 再次报名.2 return of a spacecraft into the earth's atmosphere （宇宙飞船）重返地球大气层 The capsule gets very hot on re-entry. 航天舱在重返大气层时产生高热.
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