webbed foot（蹼足）是什么意思？音标发音+图解场景

蹼足 /ˈwɛbd ˈfʊt/ n

English: webbed foot · 蹼足

释义：Each of the digits of the foot, connected by membranes; when spread, they make swimming easier.

这个词出现在以下图解场景（1）