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An ultrasonography revealed a multi-cystic mass in the left lobe of liver.
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电脑断层，血管摄影及核磁共振摄影并无法得到确切诊断。 |
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An ultrasound in this case revealed no fetus, only a snowstormeffect.
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超声检查显示没有胎儿，仅是一个“暴风雪”效应。 |
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An ultrathin Pd film is synthesized on semiconductor support by photocatalytic method.
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由光催化沈积可在半导体载体上制备超薄钯膜。 |
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An umbrella protects us from rains.
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伞可以使我们不受雨淋。 |
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An umbrella will protect you from the rain.
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雨伞可以保护你不致雨淋。 |
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An umpire must watch for any pitcher who might secretly make the ball slippery with saliva or perspiration.
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裁判必须注意看着投手有没有偷偷用垂液或汗水把球弄滑。 |
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An unambitious man is easily carried away by victory; a short-sighted man would have an exaggerated opinion of his abilities after being praised a little.
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胸无大志的人容易被胜利冲昏头脑；鼠目寸光的人稍受表扬就不知天高地厚。 |
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An unapproved vaccine; an unapproved protest march.
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未经试验的疫苗；未获批准的抗议示威 |
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An unattached body cell, such as a blood or lymph cell.
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活细胞孤立的身体细胞，例如血球细胞、淋巴细胞 |
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An unattended fire.
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没有注意的火灾 |
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An unavoidable accident.
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不能避免的事故 |
