礫的用法和樣例：
例句
-
道碴用來鋪公路或鐵路路基的粗砂礫或碎石
Coarse gravel or crushed rock laid to form a bed for roads or railroads. -
我們沿礫石小路顛簸而行。
We bumped up and down along the gravel path. -
汽車在高低不平的礫石路面上顛簸著。
The car bumped on the uneven surface of the gravel road.
