| 释义 |
phrasetouch on/upon
! Touch upon is more formal than touch on and is mostly used in writing.
touch on/upon sth to mention or talk about something for a short time and without giving very many details: The book mentions Cromwell's activities in Ireland, but only touches on them briefly. Negotiations for the treaty touched on border issues. This aspect of Weston's work is barely touched on by most critics.
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