砾石 /lìshí/ angolul

gravel▼(small fragments of rock)
noun
[UK: ˈɡræv.l̩] [US: ˈɡræv.l̩]

pebble [pebbles]▼(stone)
noun
[UK: ˈpeb.l̩] [US: ˈpeb.l̩]