So, naturally, we call the Washington side head and the other side tail.

所以，很自然地，我们把华盛顿这边叫做正面，另一边叫做反面。

The man stood at one side, head lowered, breathing heavily.

那人站在一边，低着头，呼吸沉重。

Two tall horses stood at the side, heads lowered.

两匹高大的马低着头站在旁边。

Now gently rock your head a little side to side, nice and slow, no rush. Then we'll hug the knees back into the chest.

现在轻轻地左右摇摆你的头，慢慢地，不要急。然后我们把膝盖抱回胸前。