The avenues lined with jacaranda trees burst into a carnival of purple.大街的两旁种着蓝花楹，绽放的花朵汇成一片紫色的海洋。The avenues of the city were crowded with people.城里大街上挤满了人群.Avenues radiate from the Arc de Triomphe in Paris.在巴黎,街道以凯旋门为中心...
By gravitation the sun and planets act and react upon one another.太阳与行星通过引力发挥作用并相互影响。He also propounded the Heliocentric theory of gravitation, thus predating Copernicus by almost one thousand years.他也提出以引力作用为基础的日心说, 比哥白...
Maize and lucerne, apart from wheat and barley, are the crops best suited to their clmate.除了小麦和大麦外, 玉米和苜蓿是最适合他们那种气候的作物.Major Cities: Zurich, Basel, Geneva, Bern, Lausanne, Winterthur, Lucerne, Bienne, Thun.主要城市: 苏黎世, 巴塞尔...