“使成锥形”可以翻译为 "conicalize" (较为专业、生僻的动词形式,在日常或一般技术语境中使用较少) ,更常用且自然的表达是 "form into a cone shape" 、 "shape into a cone" 或者 "make into a conical form" 。
例如:
We need to form the dough into a cone shape before baking.(在烘焙前,我们需要把面团弄成锥形。)
Shape the paper into a cone to hold the popcorn.(把纸弄成锥形来装爆米花。)