The countdown had gone off without trouble .The Restone booster for the take-off worked well.
问题描述：
The countdown had gone off without trouble .The Restone booster for the take-off worked well.
答
这次倒数记秒没有遇到任何麻烦,火箭助推器脱离顺利
另:Restone貌似吃拼写错了