about a dozen of的用法和樣例：
例句
- At the airport bookstore, there are only about a dozen freestanding shelves of books.
在機場書店，只有大約一打是專門的書架。 - About one minute later there was another explosion from the front door where at least a dozen deatheaters rushed in with their wands held in an attacking stance.
大約一分鐘以後，另一次爆炸在前門響起，然後至少一打的食死徒沖了進來，他們的魔杖擺出進攻的架勢。
