n.赤道；（平分球形物体的面的）圆；（任何）大圆； 变形： 复数：equators 双语释义：n.(名词)[S]赤道 imaginary line around the earth at an equal distance from the North and South poles英英释义： equator[ i'kweitə ]n.an imaginary line around the Earth forming the great circle that is equidistant from t