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- Moreover, only about 20 percent of the magma erupted at Etna has a chemical composition similar to that of a rift-zone volcano. 此外，埃特纳喷出的岩浆，其化学成份只有大约20%25和张裂带的岩浆相似。
- 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
- The science of the chemical composition of the universe. 宇宙化学研究宇宙的化学组成的科学
- Chemical Composition in the Fruit of Glossy Privet. 女贞子化学成分的初步研究
- 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。
- 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。
- The branch of biochemistry that deals with the study of the chemical composition and activity of cells. 细胞化学生物化学的一个分支，它从事研究这种化学构成成分和细胞活动
- 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，
- Chemical composition and processing of Olea europaea L. 油橄榄的化学组成和加工利用。
- There lies a chemical works by the river. 河边上有一座化工厂。
- THE PROGRESS OF CHEMICAL COMPOSITION AND BIOACTIVITY OF RUBUS L. 悬钩子属植物化学成分及生物活性研究新进展。
- The water can be softened by adding a chemical. 添加化学品能使水变软。
