写作思路：根据题目要求，以介绍北京烤鸭作为主题，先介绍北京烤鸭的历史，接着介绍北京烤鸭的吃法。
My favorite food is Beijing roast duck.
我最喜欢的食物是北京烤鸭。
Beijing roast duck is a famous food of Quanjude roast duck restaurant in Beijing.
北京烤鸭，是北京全聚德烤鸭店的名食。
It has the characteristics of ruddy color, fresh and tender taste, mellow taste, fat but not greasy. It is known as the first delicious food in Beijing and enjoys a good reputation at home and abroad.
它以色泽红润，入口鲜嫩，口味醇厚，肥而不腻的特色，被誉为北京第一美味，名声享誉海内外。
Beijing roast duck is made of local rare Beijing duck.
北京烤鸭是用当地的名贵北京鸭制成的。
It is the best meat duck in the world.
它是当今世界上最优质的一种肉鸭。
Roast the duck, cut the meat into pieces and put it on the plate.
烤好的鸭子，将皮肉切成一片一片的装入盘中。
When eating, you can dip in some sweet sauce, wrap in Scallion section, involve in pancakes, and then taste.
食用时可以蘸点甜酱，裹着葱白段，卷入薄饼，即可入口品尝了。
Beijing roast duck with beautiful color, fragrance and taste sounds like a mouth watering duck.
色香味美的北京烤鸭，听起来真让人不由自主地垂涎欲滴。
Don't you want one too?
难道你不想也来一只吗？