tie closure（系伞带）是什么意思？音标发音+图解场景

系伞带 /ˈtaɪ ˈbiːm/ n

English: tie closure · 系伞带

释义：Strip of material with a fastener that is wrapped around the closed umbrella to hold the ribs and canopy in place.

这个词出现在以下图解场景（1）