any of numerous fruits of the genus Citrus having thick rind and juicy pulp; grown in warm regions
any of numerous tropical usually thorny evergreen trees of the genus Citrus having leathery evergreen leaves and widely cultivated for their juicy edible fruits having leathery aromatic rinds
造句
A sliver of citrus peel twisted over or dropped into a beverage for flavoring. 橘子皮放入或加入飲料中調味的一小塊橘子皮
Oranges and lemons are citrus fruits. 桔子和檸檬是柑桔屬水果。