For instance, most analyses of hormones, such as the pregnancy test, which once involved long-drawn-out methods on live animals, are now accomplished by alternative (chemical or immunological) means.

• 例如在过去，大多数的荷尔蒙分析（例如怀孕测试），都需要冗长的活体动物实验，现在则可以用化学或免疫方法来替代。