instant milk powder

例句：

1. 1.This instant milk powder is easy to prepareand convenient for busy families.
   这种即食奶粉易于准备，适合忙碌的家庭。
2. 2. Theconvenience of instant milk powder has made ita popular choice among children.
   即食奶粉的便利性使其成为儿童的热门选择。
3. 3. In the old days, instant milkpowder was a luxury item for wealthy families.
   在旧时代，即食奶粉是富裕家庭的一种奢侈品。