meteoroid
英
美
n. 流星体
COCA.28488
英英释义
noun
- (astronomy) any of the small solid extraterrestrial bodies that hits the earth's atmosphere
双语例句
- The cometary ejection play a crucial role in formation and evolution of the meteoroid stream.
彗星的喷发速度在流星群的演化过程中起着重要作用。 - Technically, a meteor is merely the streak of light we see trailing a meteoroid.
严格说来，流星仅仅指流星体身后的那一道光，也就是我们看着划过天空那一道。 - Studies on meteoroid streams are briefly and systematically presented.
对流星群的研究作了简明而系统的介绍。 - Given enough time, the tensile stress in the interior of the meteoroid can be as high as 10 kb. This stress value is greater than estimated tensile strengths of meteoroids and the aerodynamic compression they encounter.
在某个充分的时间内，陨星内部的张应力可能达到10kb，这一应力值大于估计的抗拉强度及其所遭受的空气动力学压力。 - Risk Analysis of Meteoroid and Space Debris High-velocity Impact on Spacecraft
微流星及空间碎片高速撞击航天器风险度分析 - Turn the globe by just a few hours earlier on that day in June and the meteoroid would have been over the border of Pakistan and India – exactly where everyone was fearing a nuclear attack.
如果六月的这天，地球转动退回到几小时前，流星降落的地方就正好是巴基斯坦和印度的交界处，世人唯恐发生核战的交界地。 - When a meteoroid enters the atmosphere, it compresses the air in front of it.
当流星体进入大气层，它压缩的空气在前面的。 - Studies on Meteoroid Streams
流星群研究 - Most of the spacecrafts are suffering from the bad space environment, and the space debris, included meteoroid and orbital debris, imperiled the spacecrafts most.
其中对航天器威胁最大的就是空间碎片，包括微流星体和轨道碎片。 - Once it hits Earth, a meteoroid suffers an identity crisis and becomes a meteorite.
流星体一旦撞上地球，就变成了陨石。