a mahogany desk的用法和样例：
- I bought a mahogany table last week.
- A mahogany dresser with an inlaid teak design.
- The pine table top is overlaid with a mahogany veneer.
- He sits with hands clasped on his handsome new mahogany desk.
- A mahogany dresser with an inlaid teakdesign.
- A mahogany table was knocked down for five pounds.