Twenty-four men were then asked to sniff the movie tears or a saline solution.

然后有24名男性闻了这些泪水，同时，他们也要闻一种含盐溶液。

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A saline solution, especially one that is isotonic with blood and is used in medicine and surgery.

生理食盐水：生理盐溶液，尤其是与血液等压深度的，用于药物和外科中。

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In the latest study, a group of 10 women who were not menstruating and were infertile were injected with either kisspeptin or a saline solution.

在这项最新研究中，一组10名无经且无法生育的妇女，有的被注射了kisspeptin激素，有的被注射了生理盐水。

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They divided their animals into two groups, and treated the noses of one with Pam2Cys and those of the other with a saline solution, to act as a control.

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In their study, the US researchers found that animals worked harder to get doses of Nocaine than to receive a saline solution, but less hard than they did to obtain doses of cocaine.

BBC: Cocaine weaning drug created

Although doctors have long known that a saline solution can help unclog sinuses, the practice has gotten a newfound popularity with the "neti pot, " a teapot-shaped container that flushes a saline solution through the nose --in one nostril and out the other, taking with it mucus and rinsing away irritants.

CNN: Why people swear by the neti pot