1·More recently, companies have begun to plan more affordable "suborbital" flights—briefer ventures just to the edge of space's vast darkness.
最近，一些公司已经开始计划更经济实惠的“亚轨道”飞行——在太空无际黑暗的边缘进行更短时间的冒险。
2·But more recently, companies have begun to plan more affordable "suborbital" flights—briefer ventures just to the edge of space's vast darkness.
但是最近，公司已经开始计划更便宜的“亚轨道”飞行，在太空无际黑暗的边缘进行更短时间的冒险。
3·Thanks to this law, we know that a planet relatively close to the sun, like Venus, has a far briefer orbital period than a distant planet, such as Neptune.
4·Thus, the OPERA team repeated their experiment using proton pulses that were 3, 000 times briefer than last time, giving greater precision to the start time of neutrinos.