释义 |
up.streamQp5stri:madj, adv(moving) on a river or stream towards its origin逆流的,在上游的,逆流地,往上游,在上游Salmon swim upstream against very strong currents to reach the breeding areas.大马哈鱼迎着湍急的激流游向上游繁殖区域。The upstream part of the river flows gently through meadows.河流的上游缓缓流过草地。☆ DOWNSTREAM
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