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The children are schooled in an old room that once stored harmful chemicals.

孩子们在一间曾经存放着有害化学品的旧房子里上课。

The question of when an industrial chemical becomes a BPC can be complex, and there is no satisfactory answer.

何时工业化学品变成原料药的问题是复杂的，无另人满意的答案。

we need to develop new agriculture has no side effects with the chemicals used for food.

我们需要开发没有副作用的新型农业用和食品用的化学品。

The amount of the chemical in a few servings of bacon, for instance, would simply be too low, he said.

他说：例如在几份培根中化学品含量是十分低的。

The child of a meth cook fell into a bucket of chemicals and was severely burned.

有一次，一个吸毒者的小孩儿掉进了盛化学品的桶里，严重烧伤。

As it happened, the steam released a chemical used to preserve the skirts, making the girl ill, actually sending her to hospital.

结果蒸汽碰巧使为保存裙子而使用的化学品释放出来，使女孩生了病，竟然被送到了医院。

It all started back in 1849, when Charles Pfizer & Company opened as a fine-chemicals business.

追根溯源，1849年，查尔斯•辉瑞公司宣告成立，经营精细化学品。

benzene is an industrial chemical used to produce a wide range of plastics , detergents and other chemicals.

苯是一种工业化学品，广泛应用于塑料、清洁剂以及其他化学领域。

The only thing they tell us is how much of a certain chemical it takes to kill a rabbit.

他们告诉我们的唯一事实是，某种化学品是如何伤害并杀死一只兔子的。