凯伊太太感谢我们的到来，说这是个很大的惊喜，我们的拜访是这么长一段时间以来她得到的最佳药方。

Mrs. Kay thanked us for coming, that it was truly a surprise and that our visit was the best medicine that she has had in a long time.

youdao

一个孩子学习第二语言的最佳时间是已经内化了他或她的母语的年龄。

That means many precious years later than the child's first language.

youdao