nine-year-old
noun
A child of nine years of age.
adjective
That is nine years of age.
Origin
Early 19th century; earliest use found in David Macbeth Moir (1798–1851), physician and writer.
| 单词 | nine-year-old |
| 释义 | nine-year-oldnoun A child of nine years of age. adjective That is nine years of age. Origin |
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