Undersealed
vt. （为防尘）密封（汽车）底部\\nn. [电子] 底封
🗣️ 情景例句
He took French leave.
他不辞而别。
The dogs bark, but the caravan goes on.
我行我素，岂管他哉。
Mum, this is my teacher, Miss Gao.
妈妈，这位是我的老师，高小姐。