攻丝的英文：
tap

Operations, such as reaming and tapping, are also classified as drilling.
绞孔和攻丝也归类于钻孔。

Tapping is the process of cutting a thread inside a hole so that a cap screw or bolt may be threaded into it.
攻丝是在一个孔中车出螺纹,以便装上有帽螺钉或螺栓。

A flick or tap.
轻弹或轻拍

Water is running from the tap.
水从龙头中流出。

There was a soft tapping on my door.
有人在轻轻地敲我的房门。

It is illegal to tap a telephone wire.
窃听电话是非法的。

The tap on the cask was dirty.
桶上的塞子很脏。