| 单词 |
ponded |
| 释义 |
ponded, ppl. a.
[pond v.]
a. In senses of the verb.
1589Warner Alb. Eng. v. xxvii. 120 The Citizens, like ponned Pykes, The lessers feede the greate. 1697R. Pierce Bath Mem. ii. i. 251 There is..some Ponded Water also in the little Ditches. 1838M. Howitt Birds & Fl., Heron xxxv, Where mountain-torrents run and moan, Or ponded waters sleep. 1900Westm. Gaz. 10 July 1/3 The cutting of a channel..set free at first an enormous quantity of ponded-up water.
b. Of a sewage filter: blocked; under a depth of liquid.
1940Imhoff & Fair Sewage Treatm. vi. 106 Psychode prefers an open bed and Achorutes a ponded surface. 1967Jrnl. Inst. Public Health Engineers LXVI. 170 This large accumulation of film did not affect the performance of the filters very markedly, even though at times the surfaces of both were quite badly ponded. 1971T. H. Y. Tebbutt Princ. Water Quality Control xii. 122 A ponded filter can be brought back into use by applying the partially stabilized effluent from another filter. |
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