| 单词 | sail-flying |
| 释义 | > as lemmassail-flying sail-flying n. = sailplaning n. at sailplane n. Derivatives. ΘΚΠ society > travel > air or space travel > gliding and hang-gliding > [noun] sailplaning1923 sail-flying1931 hang-gliding1971 parapente1987 1931 A. Gymnich in V. W. Pagé Henley's ABC of Gliding 148 By sailflying we understand a flight without any kind of motor or other driving power in which the energy required for the flight without loss in altitude, is taken solely from the air currents. 1944 T. Horsley Soaring Flight 71 The chapter on soaring sites will have given an indication of the winds used in the simplest sail-flying. < as lemmas |
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