Some say that at such oxygen-deprived altitudes , rescues are too perilous .

有人说，在这种氧气稀薄的高处，施行救援太危险。

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He is alike to datura, the dependence blood is a nutrient, has deadly perilous, cruel sanguinary, so, he is too standing single.

他与曼陀罗一样，依赖鲜血为养份，有着致命的危险，残忍血腥，所以，他也是孤独的。

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In the past, guilty pleas were deemed too perilous as parent institutions could face loss of license, endangering the organizational props on which financial stability depends.

FORBES: The LIBOR Scandal: Prosecutors Have a New Plan

The Federal Reserve has been talking tough about inflation, but its latest look at the American economy shows conditions that are too perilous for the central bank to be raising rates .

FORBES: Beige Book Paints A Neutral Picture

Ministers have learned the hard way that promising too much to both voters and employees can be as perilous as promising too little.

ECONOMIST: Health