Uncertainness
不确定度
🗣️ 情景例句
That's ridiculous.
太可笑了。
Elbow grease gives the best polish.
只要功夫深，铁杵磨成针。
It's about a time when there were black slaves in North America. It's about their fight for freedom.
（它）讲的是有一段时期，北美洲存在黑奴。影片讲述他们为自由而斗争的情况。