a gravy boat的用法和样例：
- But that little gravy boat is much more than an heirloom to me.
- A: This company is not a gravy train.
- She was very quiet, just sitting, gazing at the gravy boat.
- I had found the gravy boat from my mother's china service.
- Then I reached under my pillow and took out the gravy boat.
a gravy boat的相关资料：