Only about half of the electorate bothered to vote.
只有约半数的选民参加了投票。
This wastes about half of the wafer material.
这浪费了大概一半的晶圆材料。
There are about half a million kinds of seeds inside the vault.
金库里大约有50万种种子。
In July, a sister craft of the crashed spaceplane was reported to be about half-finished.
据报道，今年7月，与失事航天飞机同类型的一个飞行器已经完成了大约一半。
When it was nearly morning, some fishermen lit a fire on the shore about half a mile away.
快到早晨的时候，一些渔民在半英里外的岸边生火。
When we returned from school, we were alone for about half an hour, until mom was home from work.
当我们从学校回来，我们独自呆了约半小时，直到妈妈下班回家。
In the 1990s enough electricity to meet about half the needs of San Francisco was being generated there.
在20世纪90年代，那里产出的电能大约能满足旧金山一半的用电需求。
This is not only a problem in developing countries, about half of all pregnancies globally are unintended.
这不仅是发展中国家的问题，全球约一半的怀孕是意外怀孕。
While 70 percent of 8th and 10th grade students used to go to the movies once a month or more, now only about half do this.
过去，70%的八年级和十年级学生每月看一次电影，甚至更多，但现在只有约一半的人这样做。
In one recent US survey, about half the teens polled said that their cell phone had improved their communication with friends.
在美国最近的一项调查中，接受调查的青少年中约有一半表示，他们的手机改善了他们与朋友的交流。
Two geologists discovered that about half of the sand from the Grand Canyon was actually once part of the Appalachian Mountains.
两位地质学家发现，约半数的来自大峡谷的沙子实际上曾经是阿巴拉契亚山脉的一部分。
Only 6.1 percent of users have ever appealed to supervisory departments and about half of them do not know how to cancel unwanted SMS subscriptions.
仅有6.1%的手机用户曾向监管部门提出申诉，其中约一半人不知道如何取消不想要的短信订阅服务。
A Swiss government panel recommended that the country sell about half of its gold reserves and this raised fears of other countries that do the same and inundate the market.
瑞士政府的一个小组建议该国出售大约一半的黄金储备，这引发了对其他国家采取同样做法并淹没市场的担忧。
That's only a small share of the total acreage that could benefit, about half a million acres in all, so it will be vital to prioritize areas at greatest risk of fire or drought.
这只是受益总面积的一小部分，共约50万英亩，所以优先考虑火灾或干旱风险最大的地区是至关重要的。
The number of students majoring in the humanities has declined by about half.
主修人文学科的学生数量已经下降了近一半。
The average Norwegian is better off than the average US citizen, but contributes about half as much to climate change.
挪威人的平均生活水平高于美国人，但对气候变化的贡献仅为美国人的一半。
The scientists found that people who sip one to three drinks a day are about half as likely to suffer heart attacks as nondrinkers are.
科学家们发现，每天喝一到三杯酒的人患心脏病的几率是不饮酒者的一半。
The number of employees other than current department heads who could take on the position of department head is equal to only about half of the expected vacancies.
除现有部门主管外，能够担任部门主管职位的员工数量仅相当于预期职位空缺的一半左右。
A cup of Colombo blueberry yogurt contains 36 grams (g) of sugar, only about half of which is found naturally in the yogurt and fruit.
一杯科伦坡蓝莓酸奶含有36克糖，其中只有一半是天然存在于酸奶和水果中。
Whatever the cause, dinosaurs, as well as about half of all species on the planet, went extinct.
不管什么原因，恐龙以及地球上几乎半数以上的物种灭绝了。
It is about half size of our planet.
它大约是地球的一半大小。
That's about half of the world's population!
那大约是世界人口的一半！
He has been in Beijing for about half a year.
他来北京已经有半年了。
"Joey" was a length of garden hose about half a metre long.
“乔伊”是一根长约半米的花园软管。
At any moment, about half of the world's population is wearing jeans.
在任何时候，世界上都有大约一半的人穿着牛仔裤。
Only about half of the words in these languages could be translated word-for-word.
这些语言中只有大约一半的单词可以字对字翻译。
We would all eat until we were full enough, but there were always about half of the potatoes leftover.
我们会一直吃到吃饱为止，但土豆总是剩下一半左右。
The parents were asked to interact with their children as they normally would, and about half of children in the study played with puzzles at one time.
研究人员要求这些父母像往常一样与孩子互动，同时研究中大约有一半的孩子曾玩过猜谜游戏。
In London's tonier neighborhoods like Kensington and Chelsea, about half of all households are people living alone.
在伦敦肯辛顿和切尔西这样的“贵族”区，大约有一半的房子里住着独自生活的人。
Oceans absorb about half this.
海洋约吸收了其中的半数。
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