The writer is a botanist by profession. He also volunteers as a nature guide during his free time to schools, nature groups and friends.

 
  • 作者從事植物研究工作,在工余時(shí)間義務(wù)為學(xué)校、自然組織和朋友充當向導,帶領(lǐng)他們參觀(guān)自然生態(tài)區。
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