up·stroke /ˈʌpˌstrok/
  向右上挑的筆跡
  upstroke
  上提
  Up·stroke n. An upward stroke, especially the stroke, or line, made by a writing instrument when moving upward, or from the body of the writer, or a line corresponding to the part of a letter thus made.
     Some upstroke of an Alpha and Omega.   --Mrs. Browning.
  ◄ ►
  upstroke
       n : a stroke normally made in an upward direction