释义 |
同心 tóng xīn 基本例句 concentricwith one heartconcentricity反异心;离心这八个人在划船竞赛中始终同心协办如一人。The eight men kept together throughout the boast race as though they were one. 圆环域以两个同心圆为界的图形或两圆之间包括的图形The figure bounded by and containing the area between two concentric circles. |