Plants in danger give off a sweet smell.
处于危险中的植物会散发出一种香味。
These lights should give off as little blue light as possible.
这些灯应该尽量避免发出蓝光。
The electric organ in its tail can give off electricity of 300-650 volts of electricity.
尾部的发电器官能发出300至650伏的电流。
Many of the electronic devices we use every day, like our phones and computer screens, give off blue light.
我们每天使用的许多电子设备，比如手机和电脑屏幕，都会发出蓝光。
Some very important discoveries have been made by this technology, especially you consider that some objects in space give off radio waves but don't emit any light.
运用这项技术后，已取得了一些非常重要的发现，尤其是考虑到太空中的一些物体会发出无线电波，但不会发出任何光。
Many household products give off noxious fumes.
很多家用产品散发有害气体。
They give off a lot of greenhouse gases (especially CO2) into the air. This warms the earth.
它们向空气中释放大量温室气体（尤其是二氧化碳）。这使得地球变暖。
Nearly all astronomical objects in space emit radio waves, whether nearby stars, objects in far away galaxies, they all give off radio waves.
太空中几乎所有的天体都发射无线电波，无论是附近的恒星，还是遥远星系中的天体，它们都会发射无线电波。
Fireflies give off flashes of light when they fly at night.
萤火虫夜间飞行时发出闪光。
If plastic and rubber are burnt, they'll give off poisonous gases.
要是塑料和橡胶被焚，就会放出有毒的气体。
Many flowers give off a nice smell.
许多花朵都会散发出香味。
These fuels give off heat when they burn.
当这些燃料燃烧时释放出热能。
Those flowers look pretty but don't give off a nice smell.
这些花看似漂亮，但是气味并不好。
Consumers dislike the "cold" light they give off and their poor lifespan.
消费者对它所发出的“冷”光也并不买账。而对其使用寿命较低也颇有微词。
Apples give off a natural gas called ethylene that can wilt, spot, or rot other food.
苹果散发出的天然气体被称为乙烯，这可以使其他的食物枯萎，出现黑斑或腐烂。
That's because our bodies give off complex aromas, some too faint for a human nose.
人体会散发许多种不同的味道，这些味道中的某一些对于人类的鼻子来说太微弱了。
All bodies, no matter what their temperature, give off radiation in the form of electromagnetic waves.
一切物体，不论其温度高低，均要放出电磁波形式的辐射。
What's left over in the core, the radioactive material, will continue to give off heat for a long time.
留在核心内的放射性物质将在很长一段时间内持续放热。
Transporting the bottles and keeping them cold also burns fossil fuels, which give off greenhouse gases.
运送瓶子，保持水温冷却都需要燃烧固体燃料增加温室气体。
Fireflies are winged beetles and give off a green luminous glow from chemicals in their lower abdomen at night.
萤火虫属于有翼甲虫类，在晚上它们通过腹部的化学物质放出绿色光亮。
When it recognizes that it's gone inside the cell, it says OK, now it's time to disassemble and give off the RNA.
当它识别出已经进入细胞内部时，它会说好的，现在是时候分解并释放rna了。
Light up your eyes and smile, and give off that same special energy that usually accompanies the full-blown shake.
面带笑意、两眼放光，并且释放出与你和对方达成强烈共识而互相握手时所释放出的能量相同的能量。
The newspaper will quickly compost and absorb the awful smell grass clippings give off when they're stored for a while.
报纸可以快速混合吸收剪草储存一定时间后散发出的可怕的气味。
This causes the leaves to give off a red glow, lighting the road for passersby without the need for electric power.
这能使叶子放出红色光晕，为行人点亮道路而无需耗电。
When neutrinos interact with electrons or nuclei of those water or oil molecules, they give off a flash of light that sensors can detect.
当中微子与那些水分子或油分子的电子或原子核相互作用时，会发出传感器可以检测到的闪光。
It comes from a variety of sources, including fossil fuel production and even farming. Cows give off methane, ya know, after they eat.
大气中的甲烷有多种来源，包括化石燃料燃烧和农牧业活动，比如奶牛在进食后就会排放这种气体∶-。
It comes from a variety of sources, including fossil fuel production and even farming. Cows give off methane, ya know, after they eat.
大气中的甲烷有多种来源，包括化石燃料燃烧和农牧业活动，比如奶牛在进食后就会排放这种气体∶-。
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