Doctors will tell you that pregnancy is the only sure test for fertility.

医生们会告诉你怀孕是测试生育能力的惟一准确的方法。

《柯林斯英汉双解大词典》

Later, he finds out that it is only a test, for his grandfather wants to make sure he is a dependable person.

后来，他发现这只是一个考验，因为爷爷想要确保他是一个可靠的人。

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For simplicity, use only one attachment for our test.

为方便起见，我们的测试仅使用一个附件。

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U.S.officials say the self-described satellite launch would only be a cover for a test of a long-range missile, perhaps a more advanced version of the one North Korea fired eastward over Japan in 1998.

VOA: standard.2009.03.25

It recommends that pediatricians test for strep only when a child has typical strep symptoms, such as a sore throat, and prescribe antibiotics for an active infection.

WSJ: Does Strep Throat Trigger Serious Ills?

In order to be useful, Tautigian says, a prostate cancer test would not only have to test for at least two genes, but both genes would have to predict the likelihood that a patient will develop cancer with similar certainty.

FORBES: Myriad's Gene Discovery Won't Pay Off--Yet

"I am disappointed that they wanted me for only the Test series on the South Africa tour, " said Younis.

BBC: SPORT | Cricket | International Teams | Waqar quits Pakistan coach role