hook-up

1.Ali was hooked up to an electrocardiograph.

阿被连到了心图仪上。

2.All the speakers hook up to a single amplifier.

所有喇叭都接在单一的扩音器上。

3.The wireman hooked up a telephone.

线路工人已把好并接通。

4.The gas was hooked up.

煤气已好并接通了。

5.He hooked up the doorbell.

他好了门铃。