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单词 year class
释义

year class

noun Zoology
The individual animals of a particular species (especially a fish) that were born in any one year.The distribution of carapace length in each year class was divided into quartiles....
  • Thus embryo diameter may be a factor in recruitment success of that year class.
  • They refused to slow down because they had seen lots of little fish coming in - a good year class.
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