| 单词 | opening up |
| 释义 | Definition of opening up in English:opening upnoun
OriginMid 18th century; earliest use found in Adam Dickson (bap. 1721, d. 1776), agricultural writer. Definition of opening up in US English:opening upnoun
OriginMid 18th century; earliest use found in Adam Dickson (bap. 1721, d. 1776), agricultural writer. |
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