Sent_en: 2zh The a scan of the Shuttle's heat shield (now routine since the Space Shuttle Columbia disaster) showed no cause for concern and Discovery was cleared for the voyage home.
Sent_yy: 扫描穿梭机的隔热罩（现在是哥伦比亚号航天飞机失事以来的例行程序）没有发现任何造成问题的原因，发现号被批准返航。