我需要买一把新的修剪器来修剪花园里的灌木。

I need to buy new ___trimmers to cut the bushes in my garden.

这些园艺师是专业的修剪工，能把灌木修整得整齐美观。

These gardeners are skilled ___trimmers who can shape bushes neatly and beautifully.

他在收音机上微调了调谐器以获得更清晰的信号。

He fine-tuned the ___trimmers on the radio for a clearer signal.