seasonal + noun
作定语直接修饰名词，指只在特定季节出现或与季节相关的。
The store hires seasonal workers every December.
这家商店每年十二月都会招聘季节性员工。
应季的；适合季节的；与季节或年度时期相关,尤其是与天气特征有关；适合季节的；在特定季节发生或依赖于特定季节的
Relating to, happening during, or dependent on a particular season, especially in terms of weather.
与季节或年度时期相关,尤其是与天气特征有关
Of, related to, or reliant on a season or period of the year, especially with regard to weather characteristics.
适合季节的
Appropriate to the season.
在特定季节发生或依赖于特定季节的
occurring at or dependent on a particular season
The town's economy depends heavily on seasonal tourism.
这个城镇的经济严重依赖季节性旅游业。
用法提示：seasonal 作形容词，修饰 tourism，表示“季节性的”。
AI contextual example
We ordered the seasonal fruit salad at the restaurant.
我们在餐厅点了应季水果沙拉。
用法提示：seasonal 作形容词，表示“应季的、适合当季的”，修饰 fruit salad。
AI contextual example
Seasonal workers are hired to help with the harvest every autumn.
每年秋天都会雇用季节性工人帮助收割。
用法提示：seasonal 作形容词，修饰 workers，表示“季节性的、随季节变化的”。
AI contextual example
作定语直接修饰名词，指只在特定季节出现或与季节相关的。
The store hires seasonal workers every December.
这家商店每年十二月都会招聘季节性员工。
作表语，说明主语具有随季节变化的特征。
Fruit prices here are very seasonal.
这里的水果价格季节性很强。
用 highly、strongly 等程度副词修饰，强调季节性程度高。
The demand for air conditioning is highly seasonal.
空调的需求季节性极强。
表示某方面的季节性变化，用 in 引出变化的具体对象。
Scientists studied seasonal changes in ocean temperature.
科学家研究了海洋温度的季节性变化。
grammar · medium
易错句子My favorite seasonal is winter.
正确表达My favorite season is winter.
seasonal 是形容词，不能像名词那样作主语或宾语。汉语的“季节”是名词，学习者容易直接把它对应的形容词搬来当名词用。要表达“季节”这个名词，须用 season，所以主语应是 My favorite season。
grammar · medium
易错句子He is a seasonal teacher with 20 years of experience.
正确表达He is a seasoned teacher with 20 years of experience.
seasoned 意为“经验丰富的、老练的”，seasonal 只表示“与季节有关的”。两者都是 -al 结尾的形容词，汉语又都可笼统译成“……的”，所以容易混用。表示人有经验，必须用 seasoned。
grammar · medium
易错句子The shop closes seasonal in winter.
正确表达The shop closes seasonally in winter.
修饰动词 close 要用副词，而 seasonal 是形容词。汉语副词没有词尾变化，学习者常直接把形容词借来修饰动词。表示“季节性地”须用副词形式 seasonally。
季节变化
Farmers plan their crops around seasonal changes in the weather.
农民根据天气的季节变化来安排农作物。
季节性工作
Many students take seasonal work during the summer holidays.
许多学生在暑假期间做季节性工作。
季节性情绪失调
Some people feel depressed in winter because of seasonal affective disorder.
有些人因季节性情绪失调在冬天感到抑郁。
应季农产品
This market sells fresh seasonal produce from local farms.
这个市场出售当地农场的新鲜应季农产品。
季节性过敏
Her seasonal allergies get worse every spring.
她的季节性过敏每年春天都会加重。
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季节性迁徙
The birds' seasonal migration takes them south for the winter.
鸟类的季节性迁徙使它们在冬季飞往南方。
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