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- The behavio(u)r of the chemicals was unexpected. 这些化学药品的变化是出人意料的。
- The chemicals were analysed in our laboratories. 这些化学物质在我们的实验室里做了分析。
- Have you studied the composition of the chemicals? 你研究过这种药品的成分了吗?
- The chemical symbol for copper is "Cu". 铜的化学符号是Cu。
- We boiled down the chemicals to condense it. 我们把它浓缩成化学物品并凝结。
- The chemical can behave as an acid. 这种化学制品能起酸的作用。
- Petrochemicals today account for one fourth of all the chemicals made, in ten years this amount is expected to double. 石油化工产品现在已占所有化学制品的四分之一，十年后预计这个数目还要加倍。
- The chemical companies are poisoning our rivers with effluent. 这些化学公司排出废水污染著我们的河流。
- The chemical must then be salted out and allowed to dry. 之后，这化学药品必须加盐分离，晾干。
- We must keep the chemicals away from the fire. 我们必须使这些化学品远离火烛。
- The chemicals in paint can be hazardous to health. 油漆中的化学物质对人的健康有害。
- The iron in the chemical compound must be purged. 化学混合物中的铁必须清除。
- The reaction of the chemicals was a burst of smoke. 那些化学药品的反应结果是一股烟。
- She mixed the chemicals together. 她把化学药品混合在一块儿。
- 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。
- The explosion at the chemical factory cause a major pollution scare. 化工厂发生爆炸引起了害怕污染的巨大恐慌。
- The iron in the chemical compound must be purged . 化学混合物中的铁必须清除。
- The cars crashed together. She mixed the chemicals together. 汽车撞到了一起。她把那些化学药剂混合在一起
- About half the chemical engineers have checked out. 大约有一半化学工程师已经退房。
- What is the character of the chemical? 这一化学物质有什么特性?
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
