The tail tapered to a rounded tip.

尾部越来越细，最后成了个圆尖。

The pots are wide at the base and tapered at the top.

这些壶底部粗，顶部细。

The number of applicants for teaching posts has tapered off.

申请做教学工作的人数越来越少。

The dog's tail tapered off to a point.

这狗的尾部逐渐变细成为一个尖梢。