pebble
/ˈpɛbəl/
a small smooth rounded rock
中文释义：卵石；小圆石
The path was covered with smooth pebbles that crunched underfoot.
小路上铺满了光滑的卵石，踩上去嘎吱作响。
Children skipped pebbles across the surface of the calm lake.
孩子们在平静的湖面上打水漂。
/ˈpɛbəl/
a small smooth rounded rock
中文释义：卵石；小圆石
The path was covered with smooth pebbles that crunched underfoot.
小路上铺满了光滑的卵石，踩上去嘎吱作响。
Children skipped pebbles across the surface of the calm lake.
孩子们在平静的湖面上打水漂。