Undersealed
vt. （为防尘）密封（汽车）底部\\nn. [电子] 底封
🗣️ 情景例句
you've made a very strong impression
你已经留下了非常深刻的印象
Send a postcard to me when you arrive in Shanghai.
你到上海以后给我发张明信片。
Have you hurt yourself?
你摔伤了没有？