But how do you make chemicals, Linda? Where do they come from?

可是化学药怎么制造呢，琳妲？化学药是从哪里来的呢？

We're not spraying, so we're not spending money on chemicals.

我们不喷洒，所以我们不花钱买化学药。

We need to test chemicals before they are put into the marketplace.

我们需要在化学药投放市场之前测试。

The problem is turning at least one of those chemicals into an effective medicine.

困难在于如何用至少一样的化学药有效治疗。

It doesn't require chemicals or microscopes.

项新技术不需要化学药，也不需要显微镜。

A multi-storey residential building, where chemicals were also stored, was reduced to a charged shell.

座存有化学药的多层住楼变成了一个“装满火药的炮弹”。

This is what doctors do now, in terms of physical intervention through surgery or chemical intervention through drugs.

他们通过手术和化学药的作用来物理干预。

Experts describe it as a very toxic chemical that can kill even in very small amounts.

专家表，剧毒的化学药即便少量使用也能致死。

But even the mosquito has been subdued by attention to drainage and by chemical sprays.

然而即使蚊子，也由于我们注意清理污水和喷洒化学药就被制服了。

Cutting off infected branches, or pruning, and spraying chemicals are two ways to deal with blight.

剪掉或修剪被感染的枝条，以及喷洒化学药是处理枯萎病的两方法。

That's good enough. I generally have chemicals about, and occasionally do experiments. Would that annoy you?

那好极了。我常常搞一些化学药，偶尔也做做试验，你不讨厌吗？

Organic vegetables are those that are grown without chemicals that can be harmful to human beings or the environment.

有机蔬菜是指生长过程中没有使用过化学药对人体或环境有害的的蔬菜。

Antibiotics-medicinal chemicals like penicillin which can destroy harmful germs, couldn't help because they weren't discovered until decades later.

抗生素——像盘尼西林样能够消灭有害细菌样的化学药没能帮上忙，因为它们直到几十年后才被发现。

It has soaps, oils, chemicals, biological waste and food scraps in it and by law it has to be treated.

它里面有肥皂，油，化学药，生物废料和食物残渣，而且根据法律它必须被处理。

You said the chemicals were missing today.

你说化学药今天不见了。

These chemicals and their fumes are toxic.

些化学药及其蒸气都有毒。

The two women were seen in surveillance footage wiping the chemical on Kim's face at the airport, Malaysian police said.

从机场的监控录像中可以看到两名女性嫌疑人往金正男的面部涂抹化学药，马来西亚警方表。

Sometimes cows are given chemicals and artificial foods to make them grow more quickly.

有时会给奶牛喂化学药和人工食，以使其生长更快。

Antibiotics – medicinal chemicals like penicillin which can destroy harmful germs, couldn't help, because they weren't discovered until decades later.

抗生素——像盘尼西林样可以破坏有害细菌的化学药，没有起到作用，因为它们直到数十年后才被发现。

The packages include chemicals to repel mosquitoes, information on how to protect against infection.

些包裹包括驱蚊的化学药，如何预防感染的信息。