敲门

As I was about to knock on her door, I heard her and him having sex inside.

当我敲门的时候，我听见妻子和他正在做爱。

It's impolite to knock at the door in that way.

那样子敲门是很不礼貌的。

I heard a knock at the door, so I got up and walked to

我听到有人敲门，所以我起身向门口走去。

I hear someone knock at the door.

我听见有人敲门了。

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。

I heard a knock at the door, so I got up and walked to the door.

我听到有人敲门，所以我起身向门口走去。

There is a knock at the door.

有人敲门。是谁呢？

Do you hear someone knock at the door?

你听见有人敲门了吗？

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。

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。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。