I mean, just taking the space shuttle up and back one time is hugely expensive.
我的意思是，仅仅是发射航天飞机一次再飞回的成本就已经是天价了。
Instead, stand up and back away slowly, without looking the bear in the eyes.
相反，你应带站直，慢慢后退，千万不要直视熊的眼睛。
Their skateboards clicked against the rough concrete lip of the fountain as they flipped up and back to cheers from onlookers.
他们的滑板不断地在陡峭的滑板到上翻来翻去，在旁观者的欢呼中他们玩儿得忘乎所以啦。
The centerboard can be raised to decrease displacement to allow the boat into shallower water - and it should swing up and back if it hits the bottom when sailing with it down.
当船只需要进入浅水区域时，活动龙骨板可被提起，以减小船底深度——即使不将其提起，它在船只行驶中触碰到水底时也会来回上下摆荡。
To save Bender from getting the baby up and back to sleep, her husband slept in the guest room, next to the bassinet, and brought the baby in to Bender when the baby was hungry.
为了让本德尔从婴儿的时睡时醒中解脱出来，她的丈夫睡到客房，守在摇篮旁边，只在婴儿肚子饿的时候送到她妈妈(本德尔)那里。
He pushed his chair back and stood up.
他向后挪挪椅子，站了起来。
First let me back up a bit and talk about vision correction before the printing press.
让我先回顾下在印刷术之前的视力矫正是什么样的。
She started to sit up, grimaced, and sank back weakly against the pillow.
她开始坐起来，痛苦地皱着脸，又虚弱地靠回到枕头上。
She came back and they made up.
她回来了，他们和好了。
I screwed up the jar and put it back on the shelf.
我把瓶子拧上盖儿，放回搁架。
I picked it up and gave it back to him.
我把它捡起来还给了他。
He sat back and lit up a cigarette.
他往椅背上一靠，点上烟吸了起来。
The woman pushed back her chair and stood up.
那女人把椅子向后一推，站了起来。
The back wheels spun and the van spurted up the last few feet.
后轮旋转起来，小货车冲过了最后几英尺。
He turned his back on them and stomped off up the hill.
他转身不理睬他们，迈着重重的脚步走上山去。
She woke up briefly and then went back to sleep.
她醒了片刻又睡了。
Powell ruptured a disc in his back and was laid up for a year.
鲍威尔背部椎间盘破裂，因此卧床一年。
He picked his cap up from the floor and stuck it back on his head.
他从地板上捡起帽子，重新戴在头上。
The marriage broke up in 1997 and she took back her maiden name of Boreman.
1997年婚姻破裂后她重新使用娘家姓博尔曼。
Sam slouched back and propped his elbows up on the bench behind him.
萨姆懒懒地往后一靠，将他的两胳膊肘撑在了他背后的长凳上。
He gave up on programmatic politics and turned his back on public life.
他放弃了按部就班的政治工作，不再参与公众事务。
He walked up to the penalty spot and struck the ball firmly into the back of the net.
他走到罚球点，稳稳地把球踢入网内。
Back I go to the hotel and creep up to my room.
我回到旅馆，蹑手蹑脚地进了房间。
She tilted her head back and looked up at me with a smile.
她仰起头含笑看着我。
Some forager ants go out, and as soon as they find food, they pick it up and come back to the nest.
一些觅食蚁外出后，一找到食物就会带上食物回到巢穴里。
Every time a great crowd come, she steps back and locks herself up in a room.
每当一大群人来的时候，她就会退后一步，把自己锁在一个房间里。
They pick it up and come back to the nest.
他们把它捡起来，然后回到巢里。
Let's back up again and talk about the time period from the 1860s to the 1880s and talk more about what happened in women's art classes.
让我们再次倒退，回到19世纪60到80年代，来多谈谈女性艺术课上发生了什么。
Eventually, you give up this tool and go back to the hammer.
最后，您放弃了这个工具，还是用回了锤子。
Eventually, you give up this tool and go back to the hammer.
最后，您放弃了这个工具，还是用回了锤子。
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