fill-in
n.
"substitute," 1918 (as an adjective, 1916), from verbal phrase; see fill, v., in, adv.. Earlier as a noun was fill-up (1811).
| 词汇 | fill-in |
| 词根词缀 | Online Etymology Dictionary fill-in n. "substitute," 1918 (as an adjective, 1916), from verbal phrase; see fill, v., in, adv.. Earlier as a noun was fill-up (1811). |
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