When a new data is available, it can be pushed into the collection by passing it to the IObservable, which in turn gives it to IObserver.

当一项新的数据可用时，就可以通过传递IObservable来把它压进集合，接着再传给IObserver。

youdao

Halfway up, a passing guide told us if we couldn't get to the top by 12:30 at the latest, then to turn back.

当中途爬到一半的时候，一个路过的向导告诉我们，如果不能在12：30之前到达顶峰，那么就立即返回。

youdao

Tess thought this was the mansion itself till, passing through the side wicket with some trepidation, and onward to a point at which the drive took a turn, the house proper stood in full view.

苔丝以为这就是庄园本身；她怀着惶恐不安的心情走过偏门，走到车路转弯的地点，这时候，她才看见出现在眼前的庄园全貌。

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Spain had possessed the ball for roughly two-thirds of its games, turning each match into a high-class version of keep-ball, and in the process, becoming the first team to turn passing the ball into a form of defense: Like a clock-eating drive in football, if Spain has the ball, its opponent can't score and the Spanish keep the ball so well that they barely give up any chances, let alone goals.

WSJ: Euro 2012: The Reign in Spain Continues

As he said to me yesterday, he is concerned that the current wave of protest votes against excessive executive pay could turn out to be a passing fad - and he therefore wants a constitutional change that would lead to a permanent transformation of big institutional shareholders into properly informed and engaged proprietors.

BBC: What kind of democracy for votes on bosses' pay?

Next comes a more difficult task: constructing and passing a so-called budget-reconciliation bill to turn House Budget Committee Chairman John R.

CNN: By Andrew Taylor, CQ Staff Writer