1. Social norms are primitive and elemental. 社会规范是原始的、基本的。
2. Each elemental unit has a simple layout consisting of a rectangular box and a triangular roof. 每个元素单元都有一个包括矩形框架和三角形屋顶的简单布局。
3. Even nitrogen, which is a gas in its elemental state, is normally absorbed from the soil as nitrate ions. 即使是元素状态为气体的氮，也通常作为硝酸根离子从土壤中被吸收。
4. "Social norms are primitive and elemental," says Dr. Robert Cialdini, author of Influence: The Psychology of Persuasion. “社会规范是原始的、基本的。”《影响力：说服的心理学》的作者罗伯特·恰尔迪尼博士说。
5. In fact, 24 per cent of our galaxy elemental mass consists of helium, which makes it the second most abundant element in our universe. 事实上，银河系中24%的元素质量是由氦组成的，这使它成为宇宙中第二丰富的元素。
