The program has cost more than $700 million so far, but has only been tested over a 37-kilometer section.

VOA: standard.2010.04.21

Now this has been tested in lots of interesting ways.

关于这点，曾经做过很多有趣的实验。

耶鲁公开课 - 心理学导论课程节选

68a And at 368a, he cites a line of poetry, you'll remember, written about them for their distinction in battle, they have been in war, they have been tested in war obviously.

而在本书，他引了一行诗，各位将记得，关他兄弟俩在战争中的差异，他们曾参战，他们明显地曾受过战争的检测。

耶鲁公开课 - 政治哲学导论课程节选

"The European missile defense proposal that the Russians are so concerned about has not been tested yet.

VOA: standard.2009.07.15

"There are a number of drugs that have been tested in these individuals and Avandia is one of them, and actually,it is quite effective in improving the blood sugar, in normalizing the blood sugar or delaying the occurrence of diabetes in these individuals."

VOA: standard.2010.03.02

Neither vaccine had been successful by itself when tested earlier.

VOA: special.2009.10.13