dualling

名词 n. 动词 v.
中文释义

英文释义

名词 n.
  1. The conversion of a road into a dual carriageway UK,countable,uncountable
    — Way back in 1971, the Government of the day first published plans for a high-capacity road network, which included the dualling of the A47 from King's Lynn to Great Yarmouth.
动词 v.
  1. present participle and gerund of dual form-of,gerund,participle,present

词形变化

duallings plural dualing alternative dualing alternative

词源

词源 1
From dual + -ing.
词源 2
From dual + -ing.
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