By themselves, these secretions are usually odorless.

这些分泌通常是无味。

It is mostly transparent and is almost odorless.

它通常都是透明无味。

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

他们说它无毒无味，而且发生没有鱼类死亡事件。

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。

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。

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

“是吐真剂，一种无色、无味药剂，强迫喝它人说出实话。”赫敏说。

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，它会蒸发成一种无味气体，能够驱逐氧气。

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

当它干燥时，它是无味、无色。

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

小鹿出生时几乎没有气味，以保护它们免受谁伤害？

An odorless gas for a bug you can't see?

用没有气味喷雾来杀看不子？

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

沙林，一种无色无味液体，由于其致命性而被国际法列为大规模杀伤性武器。

So it seems that cloud of odorless deadly gas had a silver lining after all.

无色无味致命气体 也还是有一丝仁慈。

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。

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。

It’s odorless and colorless, so you’ll only know you are a victim when strange things start to happen to you.

它无味无色，所以只有当奇怪事情开始发生在你上时，你才会知道你是受害者。

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，一种无色无味气体，占大气约78％。

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，他们将无味化合转变成很难闻新化合。

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，你体里存在三甲胺是没有问题，由于肠道里一种酶存在，它会转换成一种无气味分子，这种酶被称为黄素单氧酶。