foot fault judge（脚误裁判）是什么意思？音标发音+图解场景

脚误裁判 /ˈfʊt ˈfɒlt ˈdʒʌdʒ/ n

English: foot fault judge · 脚误裁判

释义：Official responsible for signaling foot faults, which occur when the server steps on the baseline.

这个词出现在以下图解场景（1）