这台3D打印机实际上是一个微型复制器，可以精确复制小型零件。

This 3D printer is actually a miniature ___replicator that can make exact copies of small parts.

科幻电影中的复制器能够凭空制造出任何想要的物品。

In sci-fi movies, the ___replicator can materialize any desired object out of thin air.

这位老师成为思想的传播者，将创新理念传递给每个学生。

The teacher became an idea ___replicator, passing innovative concepts to every student.