简介： ppt制作 现在许多蔬菜种在温室里， 在那儿他们可以免受风雨袭击。

Today many vegetables planted in greenhouses, where they are protected from the rain and the wind .

8.在过去的十年中， 科学技术取得了重大发现。

In the past/last few years, important discoveries have made in science and technology.

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