It was once used to keep food in Europe.
在欧洲，它曾被用来保存食物。
Believe it or not, yellow was once used to mean stop.
信不信由你，黄色曾经用于表示停止。
Once used, you will become rotten.
一旦用了，你就会烂掉。
Dad bought a tool kit but never once used it.
爸爸买了一组的工具箱，但是从来都没用过。
For example, a computer was once used to design a brewery.
例如曾经利用一台计算机来设计一间啤酒厂。
Dipa ma and Hema once used their extraordinary powers in tandem to move a bus.
蒂帕嬷和西嬷曾联手用她们的神通力影响一辆公共汽车的运行。
The large steam-breathing machines that once used this road no longer needed it.
那个巨大使用蒸汽推动的机器，曾经使用这条路但是现在不再需要它了。
Once used as a holiday home by a family, the house was later transformed into a museum.
以前曾是一个家庭的度假小屋，后经改造成，小屋成了博物馆。
White dwarfs are stars that have burned up all of the hydrogen they once used as nuclear fuel.
而白矮星则是将其曾用作核燃料的所有氢原子都燃烧殆尽的恒星。
Once used exclusively by accountants, spreadsheets are widely used by nearly every profession.
一旦专门用于由会计师，电子表格被广泛使用的几乎每一个专业。
It brought to mind a phrase that my pastor, Rev. Jeremiah A. Wright Jr., had once used in a sermon.
我想起了我的牧师，小耶利米。A .赖特牧师在一次布道中所说的一句短语。
Many old towns are built near waterfalls, because the falling water was once used to turn water wheels.
许多古老的城镇修建在瀑布附近，因为从上而下的水可以用来推动水车。
Once used by the British to manufacture munitions, the buildings have been restored to house new programs.
这些建筑曾经被英国用来制造军需品，如今已经被修复好并赋予了新的功能。
A third site that was once used as a storage centre for spent reactor fuel is now a brick-strewn wasteland.
曾经作为反应堆废料储存中心的第三所设施，现在也遭到废弃，遥遥欲坠。
Sophisticated pricing methods once used only in the airline and hotel industries have started to migrate into other sectors.
某些复杂的定价方法只在航空业和酒店业才采用，但现在它们已开始进入其它产业。
Officers now cruise neighbourhoods in squad cars more often than in the elderly, lumbering armoured Land Rovers they once used.
警官们乘着警车在街区巡逻，再不用像以前那样躲在老旧笨拙的陆虎装甲车里了。
An imposing whitewashed courthouse faces a large traffic roundabout circling an antiquated steam locomotive once used to haul copper-laden cars.
法院外墙被涂成白色，看起来庄严肃穆，对面是一个环形交通道口，一辆陈旧的蒸汽机车被围在当中，这辆车曾被用作运载铜矿。
But supply cannot be created at the flick of a switch, particularly when agricultural land once used for food is now often being used for biofuels.
但供应不可能在转瞬之间制造出来，特别是在曾用于粮食生产的农田如今往往被用于制造生物燃料的情况下。
The Power Rangers search ancient civilizations and all over the world to uncover the first jewel which was once used by Neptune - king of Atlantis.
电力别动队搜索古代文明和世界各地揭露首次宝石这是曾经用过的海王星-国王亚特兰提斯。
Humans have structures in their genetic make-up that were once used to produces enzymes to process vitamin C (it is called L-gulonolactone oxidase).
人类的基因中，也有一个曾用来分泌帮助维生素C代谢的消化酶的结构（L-gulonolactoneoxidase）。
Since the 1970s, scientists have known that the protective layer is being depleted by manmade gases, in particularly the CFCs once used in aerosols .
自从20世纪70年代以来，科学家就知道这一保护层一直被人造气体损耗，特别是曾用于喷雾剂的氯氟烃。
Stars like our sun fuse hydrogen in their cores into helium. White dwarfs are stars that have burned up all of the hydrogen they once used as nuclear fuel.
太阳一类的恒星在其核心将氢融合成氦。而白矮星则是将其曾用作核燃料的所有氢原子都燃烧殆尽的恒星。
Nor to ignore the rows and rows of bunkers once used to shelter assault helicopters, their ageing concrete, for now, resistant to the effects of time and tropical weather.
无法忽视的还有那一排排曾经用来躲避直升机袭击的掩体，虽然已年代久远，但眼下仍能抵挡时间和炎热天气的侵袭。
Experts say the rising food prices are partly due to climate change - and because fields once used to grow food crops are now used to cultivate crops for cleaner-burning biofuels.
专家们表示，粮价上涨的部分原因是气候的变化，另一个原因是过去被用来种庄稼的农田现在被用来种植生产洁净的生物燃料的作物。
Once used as a law court, the hall has held several notable trials, including that of Sir William Wallace (1305), the Gunpowder Plot conspirators (1606) and King Charles I (1649).
威斯敏斯特大厅曾用作法庭，几个有名的审判在这里进行过，包括1305年WilliamWallace爵士案，1606年的火药阴谋案，1649年对国王查理一世的审判。
This misapprehension, known to economists as the “lump of labour fallacy” , was once used to argue that women should stay at home and leave all the jobs for breadwinning males.
这种误解曾经被用来辩称，女人应该主持家务，养家糊口是男人的事。经济学家将这种误解称为“劳动总量固定”。
This misapprehension, known to economists as the “lump of labour fallacy” , was once used to argue that women should stay at home and leave all the jobs for breadwinning males.
这种误解曾经被用来辩称，女人应该主持家务，养家糊口是男人的事。经济学家将这种误解称为“劳动总量固定”。
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