tapered

He tapered the stick with a knife.

他用小刀把棍子一端削尖。

The economic boom tapered off in the 1970s.

经济繁荣在七十年代慢慢消失了。

The organization tapered off in about half a year.

那个组织大约半年内就逐消失了。

Techniques to resolve the difficult cannulation cases include tapered tip catheter, guide wire, papillotome, and precut endoscopic papillotomy (EPT).

困难之病例，尖细型管子，导引线方法，电刀及内视镜乳突先前切开术乃解决方法。