1. | The chemical companies are poisoning our rivers with effluent. |
| 这些化学公司排出废水污染着我们的河流。
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2. | The two substances are now in contact (with each other), and a chemical reaction is occurring. |
| 现在这两种物质(互相)接触产生了化学反应。
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3. | The explosion at the chemical factory caused a major pollution scare. |
| 化工厂发生爆炸引起了害怕污染的巨大恐慌。
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4. | Au is the chemical symbol for gold. |
| ‘Au’是金的化学元素符号。
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5. | The two elements are synthesized by a chemical process. |
| 这两种元素已经化学合成。
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6. | The Government has banned the use of chemical weapons. |
| 政府已经禁止使用化学武器。
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7. | a chemical mixture. |
| 化学混合物。
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8. | The harsh chemical had eaten into the metal. |
| 烈性的化学物质侵蚀了这金属。
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9. | This chemical will keep the weeds down. |
| 这化学药品能阻止野草生长。
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10. | John works for a large American chemical corporation. |
| 约翰在一家美国大化学公司工作。
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