The front part of the tongue remains down, lightly touching, or just behind, the bottom front teeth.

舌前部保持低位，轻触或不碰到下齿。

The tip of the tongue, as I said, should go up, but it can also remain down.

正如我所说，舌尖应该向上，但也可以保持向下。

American soldiers have started to go home. Only one hundred of them will remain in the country down from 3,000.

美国士兵们也开始回国，原本有3000名美国士兵，以后只有100人留在该国。

How long I remained down there, or how I returned, I can hardly tell.

我在下面呆了多久， 又是怎么回来的， 我都说不清了。

" No, remain outside the park, half a mile down the road, until I come. You will have a long wait" .

“不，留在公园外面， 沿着路走半英里， 直到我来。你要等很长时间” 。

He pulled when he could; when he could no longer pull, he fell down and remained down till blows from whip or club drove him to his feet again.

拉得动的时候他就拉；拉不动了他就倒下去，躺在地上直到鞭子或棍子再把他赶起来为止。