tubular ice screw（管状冰锥）是什么意思？音标发音+图解场景

管状冰锥 /ˈtjuːbjʊləɹ ˈaɪs ˈskɹuː/ n

English: tubular ice screw · 管状冰锥

释义：Threaded metal tube that is screwed into ice or hard-packed snow to help with belaying and advancing.

这个词出现在以下图解场景（1）