Progress on the climate change bill is seen as essential a to a successful outcome at the international meeting on carbon reduction in Copenhagen in December.

气候变化法案的进展被视作促进12月哥本哈根减少碳排放的国际会议取得成功的必不可少的条件。

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She discovered the problem by accident during a visit to a nearby school.

她在去附近一所学校参观时偶然发现了这个问题。

《柯林斯英汉双解大词典》

The plane made a dive to a lower altitude.

飞机俯冲到较低高度。

《牛津词典》

In another example, pilot Edith Foltz Stearns was flying a plane to a military base in Scotland during World War Two.

VOA: special.2010.02.24

I expect that if I add -A to A, I should get the guy who plays the role of 0 in this world, which is the vector of no length.

我希望如果用 -A 加上 A,应该得到一个零矢量,也就是一个没有模长的矢量

耶鲁公开课 - 基础物理课程节选

a You know that what will happen is that heat will flow from a to b from b to c and from a to c. That's common-sense.

你知道会发生的是热量从流向,从流向,以及从流向。

麻省理工公开课 - 热力学与动力学课程节选