a Great Dane的用法和样例：
- The dog is small, but a man might be smaller than a Great Dane.
- Bob buys a Great Dane and teaches it to use the bathroom in Bill's yard.
- Once we've seen a dog, we'll recognize both a Chihuahua and a Great Dane, though they look very little alike.
- He is a great guy, a chip off the old block.
- It was a great blow to her when her mother died.
a Great Dane的相关资料：