reballast

动词 v.

英文释义

动词 v.
  1. To renew the ballast under railway track.
    — Another pressing requirement is to reballast the line as at present nearly all of the track is on ash ballast; some 15 years' hard work should see the line on stone ballast.

词形变化

reballasts present,singular,third-person reballasting participle,present reballasted participle,past reballasted past

词源

From re- + ballast.
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