upswing
n.
1922, in golf, from up, adv. + swing, n.. Sense in economics is attested from 1934.
| 词汇 | upswing |
| 词根词缀 | Online Etymology Dictionary upswing n. 1922, in golf, from up, adv. + swing, n.. Sense in economics is attested from 1934. |
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