a foot long的用法和样例：
- Finally he bought a pint of pure glycerine and a glass rod a foot long.
- Lions' manes vary from light blond to black and can be up to a foot long.
- What his surprise was to find that he had a beard more than a foot long!
- The larger males weigh up to 2,700 pounds and sport tusks more than a foot long.
- Only a foot long and a beautiful emerald green the Hanuman snake is extremely poisonous, often deadly.
a foot long的相关资料：