| 词组 | launch window |
| 释义 | launch windown. Space English; informal〖航天〗〖非正式〗1A period of time when the line-up of planets, Sun, and Moon are such as to make favorable conditions for a specific space launch. （行星、太阳和月亮的排列有利于航天器发射的）最佳发射时段。◆ The mission was canceled until the next launch window which will be exactly six weeks from today.航天任务取消了，要等到最佳发射时段再执行，而那时离今天正好有6个星期。2A favorable time for starting some kind of ambitious adventure. （开始冒险活动等的）有利时机。◆ My next launch window for a European trip isn't until school is over in June.我下次去欧洲旅行的最佳时机是6月份学期结束之时。 |
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