Spring, Summer, Fall, and Winter are happy seasons.

春夏秋冬是快乐的季节。

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The four seasons are: winter, spring, summer and autumn.

一年中的四个季节是：winter, spring, summer and autumn（冬天，春天，夏天和秋天）。

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Intimately connected with the length of day and night are our seasons, especially summer and winter; for together with the sun's light heat is also called forth.

与白昼和黑夜的时间长度密切相关的是一年中的四季变化，最明显的是夏季和冬季的差别。其原因是太阳的光照和温度在同时发生作用。

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Our mountain resort communities swell with visitors during the peak winter and summer seasons and are plagued by auto congestion and the lack of parking.

WHITEHOUSE: Urbal Growth Through Rapid Transit

Which means, in the Northern Hemisphere what you might call "the getting warmer seasons" spring and summer are collectively seven days longer than "the getting colder seasons, " fall and winter.

NPR: Not All Seasons Are Created Equal

Their life came to revolve round the polo seasons in which he starred: winter and spring in India, summer in Windsor or Surrey, the thundering chukkas interspersed with plentiful champagne.

ECONOMIST: Gayatri Devi, Maharani of Jaipur, died on July 29th, aged 90