受风化或震动作用，从山体脱落的较大岩块突然坠落的现象叫坠石。坠石是中等程度的崩塌，大多发生在岩浆岩、石灰岩、砂岩、砂砾岩等坚硬岩石构成的陡崖峭壁。
攀峡的危险有坠石、索具出现问题、泛洪、以及冰冻的水和空气、攀峡者体温过低、获救的机会几乎为零。
The dangerous of canyoneering would rock fall, faulty anchor system, flashflooding, as well as cold water, cold air, change of hypothermia, and little or no chance on rescue.
如果你想得到一件首饰，任何一天都可以，直接去买吧，但不要买那些锆石心形吊坠，那么你能够得到其他东西的机会就会更多。
If you can get a piece of jewelry that is appropriate for any day, go for that instead of the cubic zirconia heart-shaped pendant and your chances of getting any will skyrocket.
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