第一次世界大战期间，刷牙开始流行起来。
另外两种研究婴儿感知的技术也开始流行起来。
Two additional techniques of studying infant perception have come into vogue.
当作为一种饮料成分的可卡因最终“失宠”时，含可乐果提取液的可乐便开始流行起来。
When cocaine eventually fell from grace as a beverage ingredient, kola-extract colas became popular.
应用推荐