| 单词 | pebble |
| 释义 | pebble n. 1. a small smooth stone worn by the action of water. 2. a a type of colourless transparent rock-crystal used for spectacles. b a lens of this. c (attrib.) colloq. (of a spectacle-lens) very thick and convex. 3. an agate or other gem, esp. when found as a pebble in a stream etc. Phrases and idioms not the only pebble on the beach (esp. of a person) easily replaced. pebble-dash mortar with pebbles in it used as a coating for external walls. Derivatives pebbly adj. Etymology: OE papel-stan pebble-stone, pyppelripig pebble-stream, of unkn. orig. |
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