At the same time start preparing the streusel.Mix first 4 ingredients in a bowl.Add in softened butter and rub in with fingers until coarse crumbs form.是什么意思_At the same time start preparing the streusel.Mix first 4 ingredients in a bowl.Add in softened butter and rub in with fingers until coarse crumbs form.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句