citrus + noun
citrus 是名词，但常直接放在 tree、fruit、flavor 等名词前作定语；作定语时它本身不随被修饰词变复数。
Citrus trees need a warm climate.
柑橘树需要温暖的气候。
柑橘；柑橘类水果
citri — plural of citrus
芸香科柑橘属的几种灌木或乔木之一。；这类植物的果实,通常呈球形、扁球形或长球形,由外层带腺体的果皮、内层白色果皮及8至16瓣果肉构成,果肉细胞一端附着于内层皮。柑橘类水果包括橙、葡萄柚、柠檬、青柠和香橼。；柑橘属常绿树；柑橘属果树
any fruit of the genus Citrus, such as an orange or lemon, with a thick skin and juicy flesh, grown in warm regions
芸香科柑橘属的几种灌木或乔木之一。
Any of several shrubs or trees of the genus Citrus in the family Rutaceae.
柑橘类水果
any of numerous fruits of the genus Citrus having thick rind and juicy pulp; grown in warm regions
这类植物的果实,通常呈球形、扁球形或长球形,由外层带腺体的果皮、内层白色果皮及8至16瓣果肉构成,果肉细胞一端附着于内层皮。柑橘类水果包括橙、葡萄柚、柠檬、青柠和香橼。
The fruit of such plants, generally spherical, oblate, or prolate, consisting of an outer glandular skin (called zest), an inner white skin (called pith or albedo), and generally between 8 and 16 sectors filled with pulp consisting of cells with one end attached to the inner skin. Citrus fruits include orange, grapefruit, lemon, lime, and citron.
柑橘属常绿树
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
A citrus needs plenty of sunlight to produce sweet fruit.
柑橘属果树需要充足的阳光才能结出甘甜的果实。
用法提示：citrus 作可数名词单数，指柑橘属果树。
The shop sells different citruses, from oranges to lemons.
这家店出售各种柑橘类水果，从橙子到柠檬都有。
用法提示：citruses 是 citrus 的复数，指多种柑橘类水果。
We added fresh citrus to the dressing for a tangy flavor.
我们在调味汁里加了新鲜柑橘，带来一股酸爽的味道。
用法提示：citrus 此处为不可数名词，指柑橘类水果的果肉或汁液。
citrus 是名词，但常直接放在 tree、fruit、flavor 等名词前作定语；作定语时它本身不随被修饰词变复数。
Citrus trees need a warm climate.
柑橘树需要温暖的气候。
citrus 作可数名词时，可用 a citrus 指单个柑橘类果实；复数形式为 citruses，但日常表达更常说 citrus fruits。
A citrus has a thick rind and juicy pulp.
柑橘类水果果皮厚，果肉多汁。
grammar · medium
易错句子I bought three citrus.
正确表达I bought three citruses.
citrus 是可数名词，复数为 citruses；在具体数字后必须用复数形式，不应像不可数名词一样使用单数。
grammar · medium
易错句子Citric fruits are good for your health.
正确表达Citrus fruits are good for your health.
citric 意为“柠檬酸的”，用来修饰酸类物质；表示“柑橘属水果”时要用 citrus 作定语，构成 citrus fruits。
citrus 是柑橘类水果的总称；citron 是其中一种名为香橼的特定水果。不要用 citron 泛指柑橘类水果。
citrus 是名词，指柑橘类水果；citric 是形容词，仅用于柠檬酸等化学或味道描述，不能直接修饰水果。应说 citrus fruits，而不是 citric fruits。
citrus 指整个柑橘类（包括橙子、柠檬等）；orange 特指橙子这一种水果。泛指这一类时要用 citrus，而不要用 orange。
柑橘类水果
Oranges and lemons are the most common citrus fruits.
橙子和柠檬是最常见的柑橘类水果。
柑橘树
They grow citrus trees in their garden.
他们在花园里种柑橘树。
柑橘园
The citrus groves were heavy with fruit.
柑橘园里果实累累。
柑橘果皮
Add some grated citrus peel to the cake.
在蛋糕里加一些磨碎的柑橘果皮。
柑橘风味
This tea has a bright citrus flavor.
这种茶有清新的柑橘风味。
柑橘属最常见的水果之一，常与citrus一同出现。
柑橘属水果，味酸，常用作调味或饮品。
柑橘属水果，果小味酸，常用于烹饪和调酒。
柑橘属大型水果，口感酸甜，常作早餐水果。
柑橘属水果，皮薄易剥，味道香甜，是常见柑橘类代表。
Dictionary facts from ECDICT, WIKTIONARY.