Uncertainness
不确定度
🗣️ 情景例句
and I have a production meeting at four.
我四点钟有个生产会议。
He already has a phonograph,but he doesn't have a radio yet.
他已经有一架留声机，但是他还没有收音机。
I would like to present our comments in the following order.
我希望能依照以下的顺序提出我们的看法。