到20世纪90年代，地球上原有的雨林只剩下不到一半，而且它们每年都继续以惊人的速度消失。
By the 1990's, less than half of the earth's original rain forests remained, and they continued to disappear at an alarming rate every year.
而地球上的光合作用仅仅为之前的三分之一到一半。
We now co-opt between one third and one half of all the photosynthesis on the planet.
同样，一片片盖到一半的豪华公寓矗立在水边。
Likewise, blocks of half-built luxury flats stand half-finished along the waterfront.
想想圣迈克尔·格林，北克里村一座建造到一半的烂尾楼。
Consider st Michael's Green, an abandoned half-built housing estate near the village of Lixnaw, in north Kerry.
很快肉类生产线远离了我：卸腿，剥皮，剖腹，无头的尸体正锯到一半。
Very quickly the meat line trundles away from me: legs off, skin pulled away, disembowelment, the headless carcass sawn in half.
他估计在有三分之一到一半的呼吸暂停的患者能从新方法中获益。
He estimated that between a third and a half of apnea patients could benefit from the new method.
对于这些食品占消费四分之三到一半的国家，他们失去了生存余地。
For these countries, where food comprises from half to three quarters of consumption, there is no margin for survival.
最后一个问题是，用户加载图片到一半就厌烦而转到别的地方去了。
The last thing you want is for users to get bored with half-loaded images and end up going elsewhere.
一定要把最重要的项目妥当的完成，而不能所有的任务都完成到一半。
You must strive to get the most important projects completed properly, rather than doling everything in a half baked way.
有三分之一到一半的严重致命性疾病发生在健康的青年和中年人身上。
A third to half of the severe and fatal cases have occurred in young and middle-aged people who were previously healthy.
生长才进行到一半就停止了，他静静想著解决办法，却只是白费力气。
Only half finished, his growth is halted, and he MUSES in vain for a solution to his problem.
劳贝尔表示，他负责的调查“还没进行到一半”，调查极其“耗时”。
Mr Lauber said his investigation was "not yet at the half-time stage" and that it was extremely "time-consuming".
但是在游戏进行到一半的时候，规则改变了，并且实验者没有没有达到他们的承诺。
But halfway through the game, for these kids, the rules changed, and suddenly the experimenter wasn't living up to her part of the bargain.
在丝杠是线程到一半的杂志和我的衣领一自制的固定螺丝，是保持到位。
The leadscrew is threaded into half of the journal and one of my homemade setscrew collars is keeping it in place.
情况越来越离奇，剧集进行到一半的时候，两个警探被要求停止调查，而且丢了工作。
The situation becomes increasingly surreal and halfway through the series the detectives are removed from the case, losing their jobs.
当主权债务得到重新组合后，投资者大约会损失原来债券价值的三分之一到一半。
Investors typically take losses of one-third to one-half of the value of bonds when sovereign debts are restructured.
由于四分之一到一半左右的败血病病人死亡，因此此病成为美国医院死亡的主导原因。
One quarter to one half of sepsis patients die, making it the leading cause of hospital deaths in the us.
浪漫晚餐进行到一半的时候我丈夫微笑着对我说：“这样的灯光下，你看上去美极了。”
Halfway through a romantic dinner, my husband smiled and said, "You look so beautiful under these lights."
吸烟有百害而无一利，但却容易成瘾，因此危害是致命的：吸烟者中三分之一到一半的人寿命缩短。
Vile indeed, but habit-forming and therefore lethally dangerous: it cuts short the lives of between a third and half of its practitioners.
学期进行到一半的时候，有一晚她被脚步声吵醒(地板是砖面的而她没像我一样铺地毯)。
Half way through the semester she awoke one night because she heard a step on the floor (the floor is tile and she didn't have a rug like me.).
这意味着每年有数十万大学毕业生加入实习队伍，一些专家估计其中有四分之一到一半是没有报酬的。
This means hundreds of thousands of students hold internships each year; some experts estimate that one-fourth to one-half are unpaid.
谁会希望在建造一座跨河大桥进行到一半的时候，客户却提出将其向河的下游再移动一些呢？
Who would want to have built a bridge half-way across a river and have the customer decide that it would be better situated a little further downstream?
据成都大熊猫基地统计，在中国大熊猫基地出生的大熊猫只有三分之一到一半度过了幼年期。
According to the Chengdu base, only a third to a half of pandas born in Chinese captivity manage to survive past infancy.
如今西北大学一项研究发现了一种新的培训方式，可以将之前认为学习中获得进步所必要的努力减少到一半以下。
Now research from Northwestern University suggests a new way of training that could reduce by at least half the effort previously thought necessary to make learning gains.
实验进行到一半的时候，他自己爬到金属球上开始在那个巨大的震荡装置里满屋子荡来荡去，就好像他是百老汇中的蜘蛛人一样。
Halfway through the experiment he climbs on to the ball and starts swinging himself around the lecture theatre in a huge oscillating arch as though he were appearing in Spider-Man on Broadway.
实验进行到一半的时候，他自己爬到金属球上开始在那个巨大的震荡装置里满屋子荡来荡去，就好像他是百老汇中的蜘蛛人一样。
Halfway through the experiment he climbs on to the ball and starts swinging himself around the lecture theatre in a huge oscillating arch as though he were appearing in Spider-Man on Broadway.
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