a wedge of cake的用法和样例：
- He had a banana and a wedge of cheese for lunch.
- Which is a wedge of lightfrom an open door.
- He is a fool that makes a wedge of his fist.
- He cut the cake into pieces and gave each of us a wedge.
- English: He is a fool that makes a wedge of his fist.
- a wedge of cake [cheese]