1. （声音）沙哑低沉的
    A gravelly voice is low and rather rough and harsh.

    e.g. There's a triumphant note in his gravelly voice.
           他低沉沙哑的声音中透露出一丝洋洋得意。

2. 砂砾多的；多碎石的；铺满碎石的
    A gravelly area of land is covered in or full of small stones.

    e.g. Water runs through the gravelly soil very quickly.
           水从砂砾地上奔流而过。

adj

1. unpleasantly harsh or grating in sound

    e.g. a gravelly voice

    Synonym: gratingraspingraspyroughscratchy

2. abounding in small stones

    e.g. landed at a shingly little beach

    Synonym: pebblyshingly