truck trailer（挂车）是什么意思？音标发音+图解场景

挂车 /ˈtɹʌk ˈtɹeɪlə/ n

English: truck trailer · 挂车

释义：Motorless vehicle for transporting cargo and connected by a coupling bar to the vehicle towing it.

这个词出现在以下图解场景（1）