Cryptogenic
a. 起因不明的
🗣️ 情景例句
Haven't I seen you before?
我以前没见过你吗？
As you can see in this photo, we've retained the same style which was so popular in this old model.
正如你在这张图片上所看到的，同风格的这种旧型产品非常流行，我们保留了它。
Fearing the authorities, Eric remained in hiding after the war as well.
由于害怕当局，埃里克战后继续深藏不露。