In the north of China,the four seasons are distinguishable.

在中国的北方，四季分明。

I like summer best because flowers bloom luxuriously.

我最喜欢夏天，因为夏天百花齐放。

With the blooming flowers, summer provides us with a colourful decoration.

有了盛开的花朵，夏天带给我们的是多彩斑斓的世界。

Spring is my favourite season because it is the beginning of a year.

我特别喜欢春天，因为它是一年的开始。

Spring is a season full of energy, in which you can see trees turn green overnight.

春天是一个充满生机的季节，在春天里你可以看到树木在一夜之间变成绿色。

Autumn is a harvest season for farmers.

对于农民，秋天是一个收获的季节。

In my hometown, winter is a season of snow and it's freezing every day.

在我的家乡，冬天是冰雪的季节，那里每天天气都很冷。

The climate at present is much worse than before.

现在的气候比以前糟了很多。

Great changes of environment have taken place during the recent years in my city.

在近几年里，我所在的城市环境发生了巨大的变化。

The exhaust gas from factories and cars is a great threat to our environment.

工厂排放的废气和汽车排出的尾气对我们的环境是巨大的威胁。

The temperature in summer every year is getting higher and higher.

夏天的气温一年比一年升高。

In autumn, when the weather is fine,people in my hometown often climb hills.

在秋天，当天气好的时候，人们经常去爬山。