In 1699 she sailed with her daughter nearly 5,000 miles from the Netherlands to South America to study insects in the jungles of what is now known as Suriname.
2018年12月六级真题（第二套）阅读 Section B
柯林斯高阶英汉双解学习词典释义
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Sails are large pieces of material attached to the mast of a ship. The wind blows against the sails and pushes the ship along.