hackle的第三人称单数怎么写？

There : bearskin cap and hackle plume.在那儿,戴着插有鸟颈毛的熊皮帽.Three kinds of flight cross sections were researched including rectangular section, hackle section and trapezoid section.本文讨论的螺纹断面形状为三种:矩形断面 、 锯齿形断面,梯形断面.Restrain dam...

hackle的复数形式为：hackles...

hackle的一般过去时为：hackled...

vt.梳理，乱砍n.锯齿形，颈上的羽毛，针排...

hackle的现在进行时为：hackling...

hackle的音标：hackle的英式发音音标为：['hækl]hackle的美式发音音标为：['hækəl]...

hackle的现在完成时为：hackled...