例句
英语六级真题
  • Just like medical researchers use rats to test ideas for human medical treatments, botanists use plants that are relatively easy to grow in a lab or greenhouse setting to test their ideas for related species.
    2018年6月六级真题(第一套)阅读 Section B
柯林斯高阶英汉双解学习词典释义
  • N-COUNT
    植物学家
    A botanist is a scientist who studies plants.