我们已经令人不安的安静后，最后的更新，因此它的好得到更新在这个时候。
Our source has been disturbingly quiet after the last update so it's good to get an update at this time.
在这种情况下，您需要避免仅完成了一半的事务，例如当最后的更新完成前引发异常时所发生的事务。
In this case, you want to avoid a half-completed transaction, such as might happen if an exception was thrown before the last update was made.
最后一次冰川作用的漂浮物沉积在最近的其中一个地质时期——更新世，这段时期从180万年前持续到1万年前。
The drift of the last glaciation was deposited during one of the most recent epochs of geologic time, the Pleistocene, which lasted from 1.8 million to 10,000 years ago.
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