更多scoria例句

1. These buildings are of the dark grey scoria, almost imperishable I suppose, and look very well.
2. We passed through a lane of black scoria, with steep banks on both sides.
3. At one of these about one-third of the lip of the crater still existed, having on it a quantity of reddish scoria.
4. Wherever there was good iron in any of the Roman provinces, veritable mountains of scoria are found.
5. Tolouse calculated that similar heaps in Gaul contained over 120,000 tons of scoria.