DICT.TW Dictionary Taiwan

 up·stream /ˈʌpˈstrim/
 (ad.)向上游,逆流地(a.)向上游的,逆流而上的

 up·stream /ˈəpˈstrɪm/ 副詞 形容詞
 逆流,上升氣流,上游區

 upstream
 上游

 Up·stream adv. Toward the higher part of a stream; against the current.
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 upstream
      adj : in the direction against a stream's current [ant: downstream]
      adv 1: toward the source or against the current [syn: upriver]
             [ant: downriver, downriver]
      2: against the current; "he swam upstream"