gleaning
  拾落穗,落穗,拾遺
  Glean v. t. [imp. & p. p. Gleaned p. pr. & vb. n. Gleaning.]
  1. To gather after a reaper; to collect in scattered or fragmentary parcels, as the grain left by a reaper, or grapes left after the gathering.
  To glean the broken ears after the man
  That the main harvest reaps.   --Shak.
  2. To gather from (a field or vineyard) what is left.
  3. To collect with patient and minute labor; to pick out; to obtain.
     Content to glean what we can from . . . experiments.   --Locke.
  Glean·ing, n. The act of gathering after reapers; that which is collected by gleaning.
     Glenings of natural knowledge.   --Cook.
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