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1. 发射坪：launchout 下水 | launchpad 发射坪 | launchsimulator 发射模拟器
1. LaunchPad
1. If pregnancy once led inexorably to confinement, now it is the launchpad for a new kind of exposure.
2. Discovery blasted off from its launchpad on Tuesday in NASA's first shuttle mission since Columbia was destroyed in 2003.