| 词汇 | roll-down |
| 释义 | Definition of roll-down in English:roll-downnoun ˈrəʊldaʊn US historical
OriginEarly 20th century; earliest use found in Daily Kennebec Jrnl (Augusta, Maine). From roll + down. Definition of roll-down in US English:roll-downnounˈrəʊldaʊn US historical
OriginEarly 20th century; earliest use found in Daily Kennebec Jrnl (Augusta, Maine). From roll + down. |
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