saguaro       
noun [ C ] uk/səˈɡwɑː.rəʊ/ /səˈwɑː.rəʊ/ us/səˈɡwɑː.roʊ/ /səˈwɑː.rə/  saguaros or saguaro (also saguaro cactus)
 (主要生长于美国西南部的)树形仙人掌
a type of large cactus (= a desert plant with sharp points) that has upright branches and grows mainly in the southwestern United States 
  Saguaros first blossom when they are 50 to 60 years old. 树形仙人掌在 50 至 60 岁时首次开花。 
 It is a desert landscape of canyons, copper mines, and saguaro cactuses. 这是一幅峡谷、铜矿和巨型仙人掌的沙漠景观。 
 - More examples
- Many saguaro and other sensitive plants were salvaged.
- The magnificent saguaros cannot survive wildfires.
- There are giant saguaro cactuses by the side of the road.