警方特别关注这名惯犯，因为他已经多次犯下相同的罪行。

The police are paying special attention to this ___repeater as he has committed the same crime multiple times.

这个网络信号放大器可以覆盖整个办公室。

This ___repeater can cover the entire office with network signals.

这把连发步枪可以连续射击十发子弹。

This ___repeater rifle can fire ten rounds in succession.