"concentrations" in Chinese (Simplified)
浓度
Definition
某物在特定空间、混合物或溶液中的含量。也可以指专注于某事的行为。
Usage Notes (Chinese (Simplified))
多用于科学、学术环境，通常描述化学物质的含量。复数时指不同样本中的浓度，不太用于“专注”这个意思的复数形式。
Examples
The scientist measured the concentrations of sugar in each sample.
科学家测量了每个样本中的糖**浓度**。
There are high concentrations of salt in seawater.
海水中盐的**浓度**很高。
Different concentrations of medicine were tested in the lab.
实验室测试了不同的药物**浓度**。
Air quality studies often look for dangerous concentrations of pollutants in cities.
空气质量研究通常检测城市里有害物质的**浓度**。
The lab found that vitamin concentrations vary based on storage conditions.
实验室发现维生素的**浓度**会根据储存条件变化。
Scientists compare concentrations in different river samples to check for pollution.
科学家们比较不同河水样本的**浓度**以检测污染。