航天飞机发射前的倒计时已经开始。
The countdown has begun for the launch of the space shuttle.
除了饭和食品储藏室，一个新食品柜也在肯尼迪天空中心被打包，并在发射前18到24小时装上航天飞机。
Besides the meal and pantry food lockers, a fresh food locker is packed at KSC and installed on the shuttle 18 to 24 hours before launch.
荆木春坦言，每一次发射前是他最为紧张的时刻。
Jing said candidly the time before each launch was his tensest moment when he had butterflies in his stomach.
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