a coffee cup的用法和样例：
- A coffee cup; a coffee grinder.
- Lewis seized a coffee cup, raised it to his lean, grim face and gulped, then wiped his lips with a linen napkin.
- Three coins vanish one at a time from the magician's hand and reappear with a loud clink inside of a coffee cup.
- "I asked,"thaat table where Belle Ringer was sitting,"she said,"this was folded under a coffee cup.
- Each shape is a smoothly warped version of the other, in the way that a coffee cup is a reshaped doughnut.
a coffee cup的相关资料：