同根派生 英汉例句用作名词 (n.)Pole vaulters need long run-ups.撑竿跳需要长距离助跑。Ku Chin-shui set a new national record in the pole vault, but unfortunately missed the Asian Games record.古金水撑竿跳两度破全国纪录五公尺四一，向亚运挑战惜未成功。