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- The chemical symbol for copper is "Cu". 铜的化学符号是Cu。
- We are doing a chemical experiment. 我们正在做化学实验。
- Ammonia is a chemical substance. 氨是种化学物质。
- A chemical derived from petroleum or natural gas. 石油化学制品从石油或天然气中提炼出的化学产品
- The two elements are synthesized by a chemical process. 这两种元素已经化学合成。
- A chemical compound consisting of such molecules. 二聚化合物这种聚合物形成化合物
- What is the chemical symbol for copper? 铜的化学符号是什么?
- What's the chemical symbol for aluminium? 铝的化学符号怎么写?
- Au is the chemical symbol for gold. ‘Au’是金的化学元素符号.
- The ability to take part in a chemical reaction. 活性,活度参加化学反应的性能
- A chemical factory blew up early in the morning. 有间化工厂凌晨发生爆炸。
- Semimetallic chemical element, chemical symbol B, atomic number 5. 半金属的化学元素,化学符号B,原子序数5。
- We saw that a chemical change had taken place. 我们看到已发生了化学变化。
- A chemical group is a submolecular group of atoms. 化学基因是亚分子的原子集团。
- A chemical constituent of cannabis, C21H28(OH)2. 大麻醇,大麻酚大麻的一种化学成分,C21H28(OH)2
- To straighten(hair) by a chemical process; conk. 使卷发变直通过化学程序把(卷发)弄直;把卷曲的头发弄直
- A chemical solution opaque to x-rays. 一种X光不能穿透的化学物质,
- "Boron: Semimetallic chemical element, chemical symbol B, atomic number 5. 硼:半金属的化学元素,化学符号B,原子序数5。
- There lies a chemical works by the river. 河边上有一座化工厂。
- The water can be softened by adding a chemical. 添加化学品能使水变软。