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...
我们经受过400多年的殖民统治。For more than 400 years, we were a colonized people.她一生经历丰富，曾在殖民服务局担任高级职位。Her eventful life included holding senior positions in the Colonial Service.荷兰殖民当局因他参加独立运动而把他关押了起来。Dutch colonial authorities impr...
...cream silk stockings.米色丝袜The salesman sorted his new consignment of stockings.推销员把新到的一批长袜清理分类.Her stockings wrinkled at the ankles...她的长筒袜在脚踝处起了褶儿。...wrinkly cotton and wool stockings.起了褶子的棉毛长筒袜She wears a pair of she...