come in pat

• vi. 及时说(应声说)

come in pat的用法和样例：

例句

1. "I wonder where Mary is?" said Helen, and her six-year-old brother came in pat with the answer: "I saw her in the garden."
   海伦说："我真不知道玛丽在哪儿？"她那六岁大的弟弟不假思考地回答说："我看见她在花园里。"