zài / zhè / běn / jiù / shū / lǐ / qí / lín / zhǐ / de / shì / xī / shì / tián / diǎn / cháng / yòng / de / nǎi / yóu

在这本旧书里，淇淋指的是西式甜点常用的奶油。

In this old book, 淇淋 refers to the cream commonly used in Western desserts.