Underseal
vt. （为防尘）密封（汽车）底部
✅ 同义词
📖 牛津释义
underseal
(Brit) (US undercoat) n [U]
tar-like or rubber-like substance used to protect the under-side of a motor vehicle against rust, etc （机动车底部的）防蚀涂层. underseal, v [Tn] coat the under-side of (a motor vehicle, etc) with a protective seal 用防蚀涂层涂（机动车等）的底部.
🗣️ 情景例句
parents are invited to attend--
家长被邀请来参加
Telling your troubles is swelling your troubles.
诉说烦恼等于增加烦恼。
Oh, sorry!
喔，对不起。