| 释义 |
spaceguardCOCA¹⁰⁷⁵³³
基本例句
🌏太空卫士；太空警卫；太空防护
The Near- Earth Object Observation Program, commonly called“ Spaceguard, ” also plots the orbits of these objects to determine if any could be potentially hazardous to our planet.
近地天体观察项目，常被叫做“太空警卫”，也对这些天体绘制了轨道图来判断其中是否有天体可能对我们的星球有潜在危险。 yeeyan
Today NASA astronomers are carrying out a survey called the Spaceguard Survey to find any large near- Earth asteroids long before they hit.
今天， NASA的天文学家正在执行一项“太空预警”勘测，目的是尽早发现那些有可能撞击到地球的彗星。 tianya |