Polysyllables
n. 多音节词（多于三个音节的词）
🗣️ 情景例句
do you need any help?
需要帮忙吗？
Diligence is the mother of good luck.
刻苦是成功之母。
You are John Smith, the engineer,aren't you?
你是工程师约翰。史密斯，对吗？