When the Lumière Brothers and other pioneers began showing off this new invention, it was by no means obvious how it would be used.
当卢米埃尔兄弟和其他先驱们开始展示这项新发明时，人们根本不知道它该如何使用。
When the Lumiere Brothers and other pioneers began showing off this new invention, it was by no means obvious how it would be used.
当卢米埃尔兄弟以及其他先驱们在展示他们的新发明时，他们决不知道它将会产生如此伟大的力量。
Colloidal Sliver was used by American Pioneers.
胶体银是由美国先锋。
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