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| 单词 | upstream |
| 释义 | up·stream (ŭpstrēm)adv. 1. Toward or closer to the source of a stream; in the direction opposite to that of the current: paddling upstream. 2. At an earlier point in a production process or supply chain. adj. 1. Being or moving closer to the source of a stream; in the direction opposite to that of the current: upstream traffic; an upstream dam. 2. Earlier in a production process or supply chain. |
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