你再试一次好吗？
Don't worry, you can have a second try.
别担心，你能再次尝试一下。
In Shanghai, so many eligible couples have decided against a second child that in 2009, population workers started making home visits to try to change their minds.
在上海，太多拥有第二胎权力的夫妇拒绝第二个孩子，以至于2009年，人口工作者要进行家访来试图改变这些人的决定。
So let's go to a second clicker question here and try one more. So why don't you tell me how many possible orbitals you can have in a single atom that have the following two quantum numbers?
让我们来看下一道题目,你们来告诉我,有多少个可能的轨道,含有这些量子数呢？
If Greece defaults, it will have a second round of decisions to make: namely whether to try to remain inside the eurozone, even without normally functioning Banks.
如果希腊违约，它将需要做出第二轮决定，即是否还要努力留在欧元区内，即便没有正常运营的银行。
Second, try not to breathe in through your mouth directly when running, because of the cold air directly into the abdominal cavity, easy to catch a cold, have a stomachache, so should be shut up.
其次，跑步时尽量不要用嘴直接吸气，因为冷空气直接进入腹腔，容易着凉，肚子疼，所以应闭上嘴才好。
As time goes by, the pain of pity become greater, because you'll never have a second chance to try and take risks.
因为时至今日，你已不再有第二次机会去冒险去尝试当初不敢做的事。
Since I annealed the whole sample already, I don't have a second chance to try to anneal it at lower temperature.
由于我整个样本已退火，我没有第二次机会尝试在较低温度下退火。
Try it, and, after you have spent a second or two learning it, notice how quickly it works. Be sure to follow these instructions EXACTLY!
试一下，然后在你花上一两下子时间学习之后，你会明白它是多么迅速有效。
Try it, and, after you have spent a second or two learning it, notice how quickly it works. Be sure to follow these instructions EXACTLY!
试一下，然后在你花上一两下子时间学习之后，你会明白它是多么迅速有效。
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