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build on以…为基础
例句：He drew the conclusion by building on his own investigation.
他根据自己的调查研究作出结论。
We built the house on our own land.
我们在自己的土地上盖房子。
依赖, 一心指望
例句：You can build on that man's honesty.
你可以信赖那个人的诚实。
2.That he's done so again ahead of his visit to Washington and New York may well help Mr. Cameron in a country where feelings are running high so close to the one-year anniversary of the Libyan's release.
ahead of在…之前
例句：She left one day ahead of him.
她是在他离开的前一天离开的。
Ahead of us stretches a forest.
我们前面是一片森林。
3.As a result, he is allowing the testing of the cap on the well to be continued for another 24 hours.
as a result结果, 因此
例句：As a result, he had to leave.
结果他只得离开。
