单词 | roller board |
释义 | Definition of roller board in English:roller boardnoun ˈrəʊlə ˌbɔːd
OriginMid 17th century. From roller + board. Definition of roller board in US English:roller boardnounˈrəʊlə ˌbɔːd
OriginMid 17th century. From roller + board. |
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