查询词典 did didn't

My daughter told me she did best so that her classmates asked her if she learned dancing in a special school, but in fact she didn't.

我女儿说她跳得最好，她的同学问她是不是在特别的学校学习了跳舞，实际上没有。

After several days, the old lady did not come, the corn on the cob felt a little despondingly , said:"I had thought I was the best, I didn't know I was the worst, well, the old lady could leave me by myself."

此后一连几天，老婆婆没有来，玉米棒儿有些沮丧地说："我以为我是最好的，没有想到我是最差的，唉，老婆婆可能丢下我不管了。"

So did I,but I didn't see you!

我也是，可我没见到你！

You did this, didn't you?

这都是你干的，对吧？

But you did it, didn't you?

但是你做到了，不是吗？

Yes! Yes, I did. But what I didn't say....

对，我说过但我没说我想说。。。

Did I say you didn't?

我说过你不认识吗？

Yes, I did/ No, I didn't.

是的，我看了。

We did it, right? Didn't I tell you?

我们成功了，对吧，我告诉过你

But you did it,didn't you?

但你发现了不是吗？

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。