| 释义 |
semi-ˈarid, a.
[semi- 8 i.]
Having slightly more precipitation than an arid climate, grasses being the characteristic vegetation.
1898Pop. Sci. Monthly LII. 466 In the semiarid region the struggle for existence is so great. 1916Daily Colonist (Victoria, B.C.) 22 July 4/2 Irrigation is being more and more applied to cultivated lands that are neither arid nor semi-arid. 1941J. S. Huxley Uniqueness of Man ii. 61 The semi-arid bush country provides but scanty nutriment. 1976Sci. Amer. Sept. 99/2 The wheat plant, which dominates the semiarid croplands of the world, fills the need in this area for a cultivated crop with a lower demand for water and a great tolerance of drought. |