leaf的复数（ear复数用不用加s）

leaves 树叶，leaf 的复数 harvest 丰收，收获

winter 冬天 cold 寒冷的

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Spring is warm. It is a flowering season. I love going on a picnic in spring.

It is summer.

It is fall.

Fall is cool. The leaves are falling. Fall is the season of harvest.

好啦，今天的英语教学就到这里啦。

Four seasons 四季

summer 夏天 hot 炎热的

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vacation 假日 beach 沙滩

snow 雪 snowman 雪人

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Summer is so hot. I love summer vacation. In summer, we go to the beach.

spring 春天 warm 温暖的

It is winter.

It is spring

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Winter is cold. It snows a lot in winter. We are making a snowman.

fall 秋天 cool 凉爽的

flower 花 picnic 野餐