The answer: wells that drill vertically down to the shale bed, then make a gradual 90-degree horizontal turn through the shale deposit.
目前，科学家提出了解决方案——先垂直钻探至页岩床位置，然后以90度水平地钻探页岩沉积层。
NREM sleep is when you tend to toss and turn in bed. Your brain quiets down, which means that you aren't dreaming.
NREM睡眠状态是指身体在床上翻来覆去，但大脑趋于平静，意味着没有在做梦。
After her children go to bed, the mother turn the upside-down house back to normal.
孩子们睡觉后，母亲把混乱的屋子重新整理好。
Good evening, madam, Sir. My name is John. May I turn down your bed for you now?
晚上好！先生，太太。我叫约翰，请问我可以替你们开床吗？
Turn down the thermostat a few degrees before you climb into bed, experts advise.
在你打开了自动调温器几度在床上爬，专家建议。
Good evening, Mr Li. Could I turn down your bed for you?
晚上好，李先生…我可以替你开床吗？
Picasso and the poet Max jacob , down but not quite out in Paris, shared a bed in turn.
潦而不倒的毕加索和诗人马克斯·雅科布曾在巴黎轮流共睡一张床。
The sight of the knife startled them, and caused them to turn aside and quickly disappear down the bed of the stream, leaving me to regret the hostile appearance I must have presented.
他们看见刀吓了一跳，立即转身沿着河床消失得无影无踪，让我为自己的恶相后悔不迭。
I will go to bed, would you turn down the TV?
我想睡觉，你能将电视的音量调小些吗？
The turn-over cap not only protects the privacy of the patient but also guards against the splashing down of the excrement, so as to keep the sanitation of the hospital bed.
翻盖翻起内面所形成的便溺遮挡空间不仅可以保 护病人隐私，而且能够防止排泄物的溅落，有利于病床卫生的保持。
May I turn down your bed for you now?
里根回答，“在床上时你可以 叫我里根”。
My name is John. May I turn down your bed for you now?
我叫约翰，请问我可以替你们开床吗？
我可以为您开夜床吗？
He hurriedly sat down on the edge of the bed and reached out to turn her head back. "I've been gone too long. Please forgive me. Hey, don't be angry."
鸿渐急得坐在床边，伸手要把她头回过来，说：“我出去得太久了，请你原谅，哙，别生气。”
See that they sweep UNDER the beds, and put clean sheets and pillow-cases on, and turn down one corner of the bed-clothes, just as you know it ought to be done;
叫他们务必扫床底下，换上干净的床单枕套，掀开被子的一角，该怎么做，你知道的。
See that they sweep UNDER the beds, and put clean sheets and pillow-cases on, and turn down one corner of the bed-clothes, just as you know it ought to be done;
叫他们务必扫床底下，换上干净的床单枕套，掀开被子的一角，该怎么做，你知道的。
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