查询词典 knock-kneed

I-- There was a knock at the door.

我--在门有一次敲。

I often knock off at 5 o'clock.

我通常5点钟下班。

I hear a knock at the door.

我听见有敲门声。

There is a knock at the door.

有人敲门。是谁呢？

I had not been reading for ten minutes when I heard a knock at the door.

我刚刚读了不到10分钟的书，就听到敲门声。

Do you hear someone knock at the door?

你听见有人敲门了吗？

While doing my homework, I heard a knock at the door.

当我在做作业的时候，我听到了敲门声

While he was watching TV,he heard a knock at the door.

正当他在看电视时，他听到有人敲门。

I heard someone knock at the door three times .

我听见有人敲了三次门。

Your neighbor. Since the light was on, I went to knock at the door.

你的邻居。看见灯还亮着，我就去敲门。

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。