underportion

名词 n.

英文释义

名词 n.
  1. The lower portion of something; the underneath.
    — New relay rooms have been provided at Maidenhead West, Twyford and Reading Main Line East signalboxes; in the latter case an underportion of the building was reconstructed to provide additional rooms for the relay equipment and a diesel standby generator.

词形变化

underportions plural

词源

From under- + portion.
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