[航] the firmament;outer space;aether;firmament ;

Asteroids, also known as " minor planets ", are numerous in the outer space.
小行星, 亦称为 “ 小型行星 ”, 在外太空中不计其数.
来源:《简明英汉词典》Scientists say these unmanned flights can make important and exciting discoveries.
科学家们说这次无人驾驶的太空飞行能够获得令人兴奋的重大发现.
来源:《简明英汉词典》The space telescope has taken the clearest pictures ever of Pluto.
太空望远镜拍摄到了迄今为止最清晰的冥王星的照片。
来源:《柯林斯高阶英汉双解学习词典》The infinite distances of space are too great for the human mind to comprehend.
太空的无垠距离遥远得让人类的大脑无法理解。
来源:《牛津高阶英汉双解词典》Early experiments with military rockets prepared the ground for space travel.
早期军用火箭的试验为太空飞行奠定了基础.
来源:《简明英汉词典》Helen described life in a weightless environment during her period in space.
海伦描述了她身处太空时失重状态下的生活。
来源:《柯林斯高阶英汉双解学习词典》
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