Therefore, study on the deformation and breakage law of upper and down floor of coal layer, the character of formation, each fault factor are the key problem for prevention the water inrush.
因此，对煤层顶底板的变形破坏规律、构造特征以及断层各要素的研究都是防治奥灰岩含水层突水的关键问题。
Down one floor is a large collection of fossils found in the Kansas area.
下面一层是在堪萨斯地区发现的大量化石。
Down jumped the burglar from the tenth floor when the policeman pointed his gun at him.
当被警察用枪指着时，那个窃贼从十楼跳了下来。
It might crash all the way down to the forest floor.
它可能会一路向下，撞到森林地面上。
As the ocean floor plate begins to sink down into the mantle, it would drag or pull the entire plate along with it.
当海洋底部开始下沉到地幔中，它会同时将整个海底板块拖拽下去。
Take us down to the ground floor, please.
请带我们到底层。
Peek-a-boo (lower back): Lie face down on the floor using your outstretched arms to support baby in front of you.
躲猫猫（锻炼后腰）：脸朝下，用你伸展的胳膊支撑住你前面的婴儿。
Mcanally's knees buckled and he crumpled down onto the floor.
麦卡纳利双膝发软弯了下去，瘫倒在地板上。
When I looked down from the top floor, I felt giddy.
我从顶楼朝下看时感到头晕目眩。
Betty hunkered down on the floor.
贝蒂蹲坐在地板上。
She walked across the floor and lay down on the bed.
她走过地板躺在了床上。
You may need to give the floor a rub-down with glasspaper.
你可能得用玻璃砂纸打磨一下地板。
You can doss down on my floor.
你可以在我的地板上睡。
If it is safe, go down to the ground floor.
如果安全的话，向下一直走到底层。
The pewter soldier shouted as loud as he could, and threw himself off the drawers right down on the floor.
锡兵尽可能地大声喊着，然后从抽屉里向下摔到了地板上。
He came from the twenty-third floor down to the lobby on the mezzanine to collect his mail before breakfast, and he believed—he hoped—that he looked passably well: doing all right.
早饭前，他从二十三楼走到夹层的门厅去取邮件。他相信——他希望——他看上去还过得去：一切都很好。
Keep quiet! The boys lay down, looking through the holes in the wooden floor.
保持安静！男孩们躺下，透过木地板上的洞往外看。
She put her big brown shopping bag down onto the floor.
她把她的棕色大购物袋放在地板上。
I sat down on the floor and pulled a few books off the shelf at random.
我坐在地上，从书架上随便拿了几本书。
It was small wonder that he suddenly flung down his brush on the floor, said, "Bother!"
他突然把刷子往地上一扔，说：“真讨厌！”——这不足为奇。
He walked up and down the floor, filled with nameless fears, listening, starting at every trifling sound.
他在地板上踱来踱去，心中充满了说不出的恐惧，他仔细的听着，每听到一点小动静都吓一跳。
If an ocean floor tectonic plate meets the edge of a continent and they push against each other, the heavier one sinks down and goes under the other one.
如果一个海底构造板块与大陆边缘接触并相互挤压，较重的板块下沉到另一个的下面。
More and more of this plate, the ocean floor, would go down under the continent into the mantle.
越来越多的这种板块，即海床，将在大陆下方进入地幔。
Suddenly the bottle fell down onto the floor and broke into pieces.
突然，瓶子掉在地上摔成了碎片。
She walked in, went to the sofa and sat down, looking at the floor.
她走进来，在沙发前坐下，看着地板。
My daughter continued her "conversation" as I sat down on the floor. She said, "I'm all fed up. I just don't know what to do with her anymore. She cries whenever I have to work and wants to play games, too."
我坐在地板上，女儿继续她的“谈话”。她说：“我受够了。我只是不知道该拿她怎么办了。每当我要工作的时候，她就会哭，还想玩游戏。”
I was on the tenth floor and there was no way to get down!
我在十楼，没有办法下去！
When she heard the news, the cup in her hand slipped down onto the floor.
当她听到这一消息时，手中的杯子一下子滑落掉在了地上。
You just take the lift from your floor down to the first floor.
您就从您所在楼层乘电梯下到第一层大厅。
You can take the lift down one floor.
你可以乘电梯到下一层。
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