双语例句原声例句
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你知道在美国有百分之二十到三十的青少年在这个时期都过得很艰难吗？
Do you know twenty to thirty percent of teenagers in the US have a hard time going through the period?
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在一个典型的循环中，其数量会以十倍到三十倍减少，甚至会出现一百倍的变化。
Its numbers fall tenfold to thirty in a typical cycle, and a hundredfold change can occur.
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And as I mentioned before, death would occur in 20-30 percent of the cases that got the most severe form of smallpox.
就像我刚说的,百分之二十到三十的,天花重症病人会死亡
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Because of that you can't count on molecules moving rapidly over the size of a cell that's ten to 30 Microns in diameter.
因此不要对生物大分子能在,直径十到三十微米的,细胞里高速穿行抱有任何指望
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It's much larger than a bacterium, it's ten to 30 microns let's say instead of one to two microns, so almost ten times bigger.
人类细胞比细菌大得多,有十到三十微米那么大而不是一两微米,几乎大了十倍
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