obstacles的中文意思、音标与词形变化

n. 障碍（物）( obstacle的复数形式 ); 障碍物; 绊脚石; 障碍栅栏

n. something immaterial that stands in the way and must be circumvented or surmounted n. an obstruction that stands in the way (and must be removed or surmounted or circumvented)