Stonebridge is one of the shorter tracks, but very steep as it takes you up to the waterfall and you do need to be in good condition to manage it.

石桥是较短的路线之一，但是非常陡峭，因为它将带您直达瀑布，而且您确实需要在良好状态下才能应对。

youdao

Colds mutate even while they're infecting you, and new strains pop up so often that by the time drug-makers create a vaccine against one variation, the serum is already out of date.

即使在感染你的时候，感冒病毒也会发生变异，而且新的病毒毒株经常出现，以至于当制药商研制出针对其中一种变异的疫苗时，血清已经过时了。

youdao

Can't you drop one course and pick it up next semester?

你不能放弃一门课，下学期再重新学吗？

youdao

And you know, they are really nice when they light up at night. "One couple we talked to was visiting from France.

VOA: special.2010.05.07

You can go up and look at it because your parents probably bought one and it's still up there.

你可以上去看看,因为你的父母可能曾经买过一个,但是被束之高阁。

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And one of the ways you can make a program crash, intentionally or not, is to essentially use up too much memory or call too many functions and what happens is, bam, one hits the other and bad things happen.

其中一个方式能使你的程序崩溃掉，有意或无意的,它本质上使用了太多的内存,或者调用了太多的函数，所发生的，崩掉，一个冲突了另一个，然后发生了坏事情。

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And, you wake up one day only to find that you have built an organization by plugging holes and juggling balls.

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Imagine if you were a Greek citizen and you woke up one morning to find that the euros in your local bank had been converted to new drachmas on a 1:1 basis.

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You might even be able to swing by the store and pick one up while you're on a food run for Sunday's football games.

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