1. On their last evening, Mrs. Weasley conjured up a sumptuous dinner that included all of Harry's favorite things, ending with a mouthwatering treacle pudding.
Conjure up: 用魔法召唤
I hope I can conjure up a angel.
Sumptuous: 奢华的
I think it's a sumptuous palace.
A mouthwatering treacle pudding:令人垂涎的蜜糖布丁
The advertisement shows a piece of mouthwatering cookie.
2. round off
使圆满
The last dish rounded off this dinner.