常見(jiàn)例句Geometry that is magnetic is round in nature.磁性的幾何學(xué)性質(zhì)上是球形的。Nature provides no unoccupied gap between round and nonround shapes, so any boundary would be an arbitrary choice.大自然竝未在正球形與非球形間設(shè)下明顯的界線,所以任何的邊界值都衹是人類恣意的選擇。 返回 round-shapes