bobstay（船首斜桁支索）是什么意思？音标发音+图解场景

船首斜桁支索 /ˈbɒbsteɪ/ n

English: bobstay · 船首斜桁支索

释义：Rope counterbalancing the tension caused by the stays and the staysail-stays on the bowsprit.

这个词出现在以下图解场景（1）