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月六級真題（第二套）閱讀 Section B
柯林斯高階英漢雙解學習詞典釋義
N-VAR
熱帶叢林；密林
A jungle is a forest in a tropical country where large numbers of tall trees and plants grow very close together.
If you refer to the law of the jungle, you are referring to a situation in which there are no laws or rules to govern the way that people behave and people use force to get what they want.