tapering
adj. 尖端细的；渐渐减少的
v. 逐渐变尖细；逐渐减少（taper的ing形式）
同义词
参考例子
1.Think of it as a sort of reverse tapering process.
可以把它想象为一种反向锥形过程。
2.Larger culm sheath auricle not slanted downward, not tapering.
大竿箨叶耳不倾斜向下，并非渐狭。
3.A rounded, often wooden club, wider and heavier at the hitting end and tapering at the handle, used to strike the ball.
球棒一种圆的，常常是木质的棍棒，一端较重较宽，用于击打，至手柄处则越来越细，常用于击棒球。
英文解释
n.
1.the act of gradually lowering the size or amount
2.gradually narrowed toward a point
3.becoming gradually narrower
4.gradually decreasing until little remains
网络释义
tapering
锥状 锥形; 锥形; 锥状; 尖端细的;
tapering cane
尖削茎杆;
tapering rail
锥形轨条;
Amplitude tapering
振幅锥度;
tapering tool
椎孔工具;