pop-up
n.
from 1906 as a type of baseball hit; from pop, v. + up, adv.. As an adjective from 1934 (of a children's book, later toasters, etc.).
| 词汇 | pop-up |
| 词根词缀 | Online Etymology Dictionary pop-up n. from 1906 as a type of baseball hit; from pop, v. + up, adv.. As an adjective from 1934 (of a children's book, later toasters, etc.). |
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