Unknowns
n. 未知事件（unknown的复数）
🗣️ 情景例句
Good. Then you'll be here about five?
很好。那么 大约在五点左右来。
Stick to it, and you'll succeed.
只要人有恒，万事都能成。
I went further back into the cave and stopped still.
我向前走拐进岩洞，停住不动。