| 单词 | umbrella cockatoo | 
| 释义 | umbrella cockatoonoun  : a white cockatoo (Cacatua alba) native to Indonesia that has a long, broad, white crest resembling an umbrella when raised and that is often kept as a pet  Sidney is a 20-month-old, foot-tall white umbrella cockatoo with yellow markings under each wing and its tail. Store manager Dana Adams says only the bird knows whether it's a male or female. called also white cockatoo | 
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