Mom bought a dozen eggs for breakfast.
媽媽買了一打雞蛋準備早餐。
Our class needs a dozen pencils for the art project.
我們班的美術作業需要一打鉛筆。
I ordered a dozen donuts to share with my friends.
我點了一打甜甜圈要和朋友分享。
The bakery sells a dozen cookies at a special price.
這家烘焙店一打餅乾有特價。