用英语叙述制作苹果沙拉!!!

1/4 cup pecan halves
1/4杯核桃仁

2 tablespoons reduced-fat sour cream
2汤匙低脂酸奶油

1 to 2 tablespoons white-wine vinegar
1至2汤匙白葡萄酒醋

1 teaspoon sugar
一茶匙糖

1 pound celery (8 to 10 large stalks), peeled if desired, and thinly sliced on the diagonal (about 5 cups)
1磅芹菜（8至10个大块的茎），如果需要可以去皮去筋，斜向切成薄片（切成约5杯的量）

1 apple, halved, cored, and thinly sliced, slices halved crosswise
1个苹果，切成两半，去核并切成薄片，再横向切成两半

Coarse salt and ground pepper
一些海盐和碎辣椒

Methods:制作方法

Preheat oven to 350°. Spread pecans on a rimmed baking sheet; bake until lightly browned, 5 to 7 minutes. Set toasted pecans aside to cool.
将锅预热至350度，将核桃铺在一个有边的烤盘中，烤5至7分钟，直到核桃呈浅褐色，将烤好的核桃放置一边冷却

In a medium bowl, whisk together sour cream, vinegar, and sugar until smooth.
在一个中号的碗中，将酸奶油，酒醋和糖混合搅拌直到均匀

Add celery and apple; season with salt and pepper. Toss gentl