| 单词 | ring-drain |
| 释义 | > as lemmasring-drain ring-drain n. a drain enclosing a stretch of ground. ΚΠ 1800 J. Headrick in Commun. Board Agric. II. xiv. 316 A ring-drain, serving the purpose of a fence, is thrown round the moss at the line where the rising ground commences. 1861 A. Smith Agriculture xiii. 215 It may be well with ring-drains to surround, And from their centres radiaters lead, If practicable this and there be need. 1913 Monthly Bull. Agric. Intelligence & Plant Dis. Jan. 235 The whole field is then surrounded by a ring-drain. 1999 Bull. School Oriental & Afr. Stud. 62 551/1 The earliest use of the classic ‘ring-drain’..appears to be at Eridu, in a monumental building of the Early Dynastic period. < as lemmas |
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