| 单词 | basin |
| 释义 | basin n. 1. a wide shallow open container, esp. a fixed one for holding water. 2. a hollow rounded depression. 3. any sheltered area of water where boats can moor safely. 4. a round valley. 5. an area drained by rivers and tributaries. 6. Geol. a a rock formation where the strata dip towards the centre. b an accumulation of rock strata formed in this dip as a result of subsidence and sedimentation. Derivatives basinful n. (pl. -fuls). Etymology: ME f. OF bacin f. med.L ba(s)cinus, perh. f. Gaulish |
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