资料来源 : Webster's Revised Unabridged Dictionary (1913)

Touch \Touch\, v. i.
   1. To be in contact; to be in a state of junction, so that no
      space is between; as, two spheres touch only at points.
      --Johnson.

   2. To fasten; to take effect; to make impression. [R.]

            Strong waters pierce metals, and will touch upon
            gold, that will not touch upon silver. --Bacon.

   3. To treat anything in discourse, especially in a slight or
      casual manner; -- often with on or upon.

            If the antiquaries have touched upon it, they
            immediately quitted it.               --Addison.

   4. (Naut) To be brought, as a sail, so close to the wind that
      its weather leech shakes.

   {To touch and go} (Naut.), to touch bottom lightly and
      without damage, as a vessel in motion.

   {To touch at}, to come or go to, without tarrying; as, the
      ship touched at Lisbon.

   {To touch on} or {upon}, to come or go to for a short time.
      [R.]

            I made a little voyage round the lake, and touched
            on the several towns that lie on its coasts.
                                                  --Addison.