| 单词 | saddle hill |
| 释义 | > as lemmassaddle hill saddle hill n. now rare a saddle-backed hill. ΘΚΠ the world > the earth > land > landscape > high land > hill > [noun] > saddle-backed saddle hill1720 saddleback1804 1720 H. Cornwall Observ. Several Voy. India 16 Two Miles Eastward of the River is a Saddle Hill somewhat reddish. 1770 J. Cook Jrnl. 25 Feb. (1955) I. 257 There is a remarkable Saddle hill laying near the shore. 1891 B. H. Chamberlain Things Japanese (ed. 2) 26 Seen from the side, the appearance [of the burial mound] is that of a saddle-hill, the conical part being slightly higher than the other. 1988 L. G. Shapiro et al. in C. Brown Adv. Computer Vision II. 29 If its curvature is positive (upward), we call it a ‘convex hill’. If its curvature is negative we call it a ‘concave hill’. If the curvature is up in one direction and down in a perpendicular direction, we call it a ‘saddle hill’. < as lemmas |
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