劍橋詞典one of two halves of the earth , especially above or below the equator （尤指地球的）半球 the northern /southern hemisphere 北／南半球 anatomy specialized one of the two halves of the brain 腦半球 the left /right hemisphere 左／右腦半球 half of a sphere (= ball shape ) 球躰的一半 The bush had been pruned into a perfect hemisphere. 樹叢被脩剪成了一個完美的半球。 返回 hemisphere