N-UNCOUNT
（用于调味的）柠檬皮，橙皮
The zest of a lemon, orange, or lime is the outer skin when it is used to give flavour to something such as a cake or a drink.
例句
Mix the rest of the olive oil with the zest and juice of the lemon...
将其余的橄榄油和柠檬皮及柠檬汁混合在一起。
Finely grate about a teaspoon of orange zest and put aside.
将橙皮擦出大约一茶匙的细末待用。