名词
中文翻译：Unknown
同义词：
['upflow', 'upsurge', 'current', 'trendy']
例句：
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1. The upcurrent of the river is strong enough to carry away boats.
河流的上流水流强劲，足以冲走船只。
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2. The upcurrent of fashion is always changing.
时尚的潮流总是在不断变化。
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3. The upcurrent of technology is pushing us towards a more efficient future.
技术的潮流正在推动我们走向一个更高效的未来。