Carbon monoxide is an invisible and odorless gas produced in all fires.

氧化碳是所有火灾中产种无色无味气体。

By themselves, these secretions are usually odorless.

这些分泌物本身通常是无味。

They say it's non-toxic and odorless, and that no fish were killed.

他们说它无毒无味，而且发没有鱼类死亡事件。

It is mostly transparent and is almost odorless.

它通常都是透明无味。

Now, we showed it there, but the truth is, it is colorless, it is odorless.

现在, 我们展示它, 但事实是它是无色无味。

Normally, having all that trimethylamine in your body is not a problem, because it's converted into an odorless molecule, thanks to a special enzyme in the liver, known as a flavin-containing monooxygenase.

通常情况下，你身体里存在三甲胺是没有问题，肠道里种酶存在，它会转换成种无气味分子，这种酶被称为黄素单氧酶。

As the name implies, it's the liquid form of nitrogen gas, a colorless, odorless gas that makes up about 78% of our atmosphere.

顾名思义，液氮就是液态氮气，种无色无味气体，占大气约78％。

It's so chilly out there that scientists expected Rosetta's instruments to detect scarcely more than odorless carbon dioxide from the comet.

那里非常寒冷，因此科学家预测罗斯塔能够从该彗星上探测出几乎无味二氧化碳。

Sarin, an odorless and colorless liquid, is so dangerous that it's classified as a weapon of mass destruction under international law.

沙林，种无色无味液体，致命性而被国际法列为大规模杀伤性武器。

In their study, the research team placed an aroma diffuser in a dry, odorless room that could release various scents.

在他们研究中，研究小组在干燥、无味房间里放置了个香薰，可以释放各种气味。

When leaked into the air, liquid nitrogen vaporizes into an odorless gas that is capable of displacing oxygen.

当液氮泄漏到空气中时，它会蒸发成种无味气体，能够驱逐氧气。

" It's Veritaserum, a colorless, odorless potion that forces the, drinker to tell the truth, " said Hermione.

“是吐真剂，种无色、无味药剂，强迫喝它人说出实话。”赫敏说。

The fuel, he said, is odorless and invisible but has a huge impact on the climate.

他说，天然气" 无形无味，但是对气候影响巨大。"

It's odorless and colorless, so it doesn't affect how products look or smell.

它是无色无味，所以不会影响产品外形或气味。

When these bacteria feed on the proteins and fats in apocrine sweat, they turn the odorless compounds into new ones that can smell very unpleasant.

这些细菌以大汗腺汗液中蛋白质和脂肪为食，他们将无味化合物转变成很难闻新化合物。

The logical side of your brain may say no: Snow is just frozen water, and therefore odorless.

你理性思维可能会说没有：雪只是冻结水，因此是无味。

There are two tricky obstacles to making lighted signs out of this naturally clear, odorless gas: capturing it and making it glow.

用这种天然透明、无味气体制作照明标志有两个棘手障碍：捕捉它和使它发光。

When they are born, fawns are almost odorless to  protect them from who?

小鹿出时几乎没有气味，以保护它们免受谁伤害？

And when it dries, it's odorless and colorless.

当它干燥时，它是无味、无色。

Most of them are odorless, but every flatulence has trace amounts of these other gases and these are the ones that… shall we say make their presence known.

它们中大多数是无味，但每种胀气都含有微量他气体，这些是......容我们说让人们知道他们存在。