在这项研究中，研究人员给老鼠喂食干奶粉，这些奶粉是由韩国首尔的研究人员在白天和晚上分别从奶牛身上挤奶制成的。
In the study, mice were fed with dried milk powder made from cows milked both during the day and at night by researchers from Seoul, South Korea.
这是市场上最便宜的汽车之一，车身是用劣质金属制成的。
It is one of the cheapest cars on the market, with tinny bodywork.
这张面具是由黄金和白金的合金制成，并镶嵌翡翠和其他宝石。
The mask is formed of a gold-platinum alloy inset with emeralds and other gems.
运送废燃料的容器极为坚固，是用钢或钢铅合金制成的。
Flasks for the transport of spent fuel are extremely strong containers made of steel or steel and lead.
肥鹅肝产品是用强行灌食后肿胀起的鸭肝和鹅肝制成的。
Production of the foie gras pt involves force-feeding geese and ducks so that their livers swell.
他们可以看到剪绵羊毛，并学习羊毛是如何制成衣服的。
They can see sheep getting their wool cut and they can learn how that wool is made into clothing.
有可能是用动物骨头制成的管子来喷洒，因为在附近发现了空心骨头，有些骨头上沾有颜料。
It is possible that tubes made from animal bones were used for spraying because hollow bones, some stained with pigment, have been found nearby.
在历史上，纺织染料是由植物和动物排泄物等天然资源制成的。
Historically, textile dyes were made from such natural sources as plants and animal excretions.
彩绘玻璃窗仍然被称为彩色玻璃，但那些颜色实际上是在玻璃制成后直接涂在透明玻璃上的。
Painted glass windows are still referred to as stained glass but the colors were actually painted directly onto clear glass after the glass was made.
传统上，衣服是由天然材料制成的，如棉花、皮革和羊毛。
Clothes are traditionally made of natural materials, such as cotton, leather and wool.
瓷器是一种由精选的瓷土或瓷石通过工艺流程而制成的物件。
Porcelain is a material made from well-chosen porcelain clay or pottery stone through technological processes.
最早的汽车发动机使用的是由玉米和花生油制成的燃料，不是吗？
The earliest car engines ran on fuel made from corn and peanut oil, didn't they?
这种纺织品是一种可爱的、柔滑的纤维，它是用大豆做豆腐剩下的废材制成的。
The textile is a lovely, silky fiber made from waste material left after soybeans are used to make Tofu.
这一变化的起因是，现在全国有几十家公司购买废弃的塑料汽水瓶，并把它们制成栅栏桩、油漆刷等。
The reason for the change is that now there are dozens of companies across the country buying discarded plastic soda bottles and turning them into fence posts, paintbrushes, etc.
放一只橡胶制成的老鼠在一个堆满了垃圾的罐头上是一个很棒的手法。没人会试图接近来确认它是否是假的。
A rubber rat on top of an overflowing garbage can is a nice touch. No one will get close enough to see if it's fake.
机翼是由铺在碳纤维框架上的聚乙烯薄膜制成的。
The wings are made of a polythene film stretched over a carbon fiber frame.
大多数纸是由针叶树的纸浆制成的。
它可能是由室内地毯、人造纤维制成的衣服、电视机、复印机或电脑显示屏积聚的静电引起的。
It can be caused by a build-up of static electricity indoors from carpets or clothing made of man-made fibres, or from TV sets, duplicators or computer display screens.
处理PET和其他塑料制成的垃圾一直是一件令人头疼的事情。
It has always been a headache to deal with the waste from PET and other plastics.
这些酱料是由西红柿、洋葱、辣椒和香料制成的。
These sauces are made from tomatoes, onions, hot peppers and spices.
吃元宵（用糯米粉制成的甜汤圆）是元宵节特别传统之一。
Eating yuanxiao (sweet dumplings made of glutinous rice flour) is one of the special traditions of the Lantern Festival.
筷子是由不同的材料制成的。
仪式权杖柄是用一种小型的北极独角鲸的牙齿制成的。门柄是用海象的牙齿制成的。
The shaft of the ceremonial mace is the whorled tusk of a narwhal, a small Arctic whale. The door handles are of walrus tusk.
墨西哥卷饼的外壳是由玉米玉米饼制成的，里面填满豆子或燕麦粉。
Taco shells are made from corn tortillas and filled with beans or meals.
女神弗雷娅的儿子被一支用槲寄生制成的箭杀死，所以为了纪念他，她宣布这支箭将永远是和平的象征。
The goddess Freya's son was killed by an arrow made of mistletoe, so, in honor of him, she declared that it would always be a symbol of peace.
这种纸是用丝绸制成的，非常昂贵。
这种扇子是用丝绸制成的，上面画着美丽的女人、鸟或花。
Fans of this kind were made of silk with paintings of beautiful women, birds or flowers.
现在它们是由软塑料制成的，使用起来更容易！
Today they're made of soft plastic and are much easier to use!
我们知道，大多数背包是由不同的材料制成的。
As we know, most backpacks are produced from different materials.
那时它们是用羽毛、竹子或丝绸制成的。
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