obstructions的例句（obstructions在句子中的用法）

• riding horses across country over obstructions to demonstrate horsemanship 骑马穿过障碍物来证明骑马术
• Ruler shows the distance in meters to nearest obstructions. 标尺显示到最近的阻碍的距离,以米为单位.
• They went ahead of us to clear the road of obstructions. 他们走在我们前面清除路上的障碍.
• Some of them are like setting a trap ( with obstructions ). 有些像是设的陷阱 ( 有障碍物 ).
• If all the coronary arteries are free of significant obstructions, all parts of the heart will receive equal amounts of oxygen. 如果所有的冠状动脉均没有较大的阻塞物，心脏各部分将得到等量的氧气。