最后，科学家把它们都放置到黑暗中，观察它们的反应。

Finally, they were plunged into darkness and watched to see how they would react.

youdao

最后，科学家把它们都放置到黑暗中，观察它们的反应。

Finally, they were plunged into darkness and watched to see how they would react.

youdao