Ufological
a. 不明飞行物学的,飞碟学的
🗣️ 情景例句
No. I really don't know how to go about it.
没有。我真不知道如何填。
It matters not how long we live but how.
问题不是活得多么长，而是活得怎么样。
How did you decide that product was safe?
你怎样决定产品是安全的呢？