By playing with pieces of cardboard cut into the shapes of molecules, Watson and Crick were able to work out how the pieces fit together.

沃森和克里克将卡纸板剪成分子形状进行摆弄，终于搞清了它们是如何拼合在一起的。

These orbital configurations determine the shape of molecules, and the shape of molecules determines how they behave, what forms they take, what properties they have.

这些轨道配置决定了分子的形状，而分子的形状决定了它们的行为方式、它们采取的形式以及它们具有的特性。