- a small stone made smooth and round by the action of water or sand卵石, 砾石。
attrib.
- informal (of a spectacle lens) very thick and convex〈非正式〉（眼镜片）很厚的, 凸起的：
pebble glasses.
厚厚的眼镜片。
派生词
pebbled
adjectivepebbly
adjective词源
late Old English, recorded as the first element of papel stān 'pebble-stone', pyppelrīpig 'pebblestream', of unknown origin. The word is recorded in place names from the early 12th cent. onwards.