Undersealed
vt. （为防尘）密封（汽车）底部\\nn. [电子] 底封
🗣️ 情景例句
I gave that idea up a long time ago.
我很久以前就放弃了那个想法了。
When did you know the answer?
你什么时候知道答案？
You may as well tell me the truth.
你还是把事实告诉我为好。