The orbits of planets in the once popular geocentric Ptolemaic system are epitrochoids.曾经盛行的托勒密地心说体系里的行星轨道就是外旋轮线.Mars and Earth have orbits which change with time...火星与地球的运行轨道随着时间而变化。Other enumeration problems lead us to...
Any shapes can be applied to this glob by blowing air in.所有形状可能向这颗水珠被运用由吹空气.Go to Glob Hotel or the school night club?是去环球旅馆呢,还是去校夜总会?What if the ice turns into fire glob of fire in your mouth.如果这块冰,变成火呢?含在嘴里的火....