last weekend we went to the countryside to have a picnic。we took several sandwiches and some bottles of water with us for lunch。

   of course we didn't forget to take some fruit and we even took some tomatoes and cucumbers。

  we left home quite early in order to avoid the traffic jam。

  about two hours later, we came to a nice place。 it was near a river。 we put our bicycles under the trees and went swimming。

   it was a very hot day。 the water was very refreshing。

  after having a swim, we had lunch in the cool shade under the trees。

   then we went for a walk。 we didn't come back home until the night fell。

  it took us about two hours by bike to get to the nice place in the countryside。

   there was a rive there。 the water was clean and it was a good place to swim。 we threw our bikes on the ground

  and jumped into the water。

   it was hot, but the water made us refreshed。 after we swam around:'the river, we were tired。

  we took out the sandwiches and water, and had our picnic in the shade under the trees。

   the most popular food are sausages and tomatoes。

  after lunch we took a walk。 there we saw many beautiful flowers and GREen grass。

   we smelled sweet air。 how nice the picnic was!可以参照下里面的词汇,用法。