1. What is the nature of this subject? 社会医学的学科性质是什么?
2. We must keep the balance of nature. 我们必须保持大自然的平衡。
3. Know ye, ye are threefold in nature. 知道了,是天性里的三倍重叠。
英英解释
n.
1. the essential qualities or characteristics by which something is recognized
2. a causal agent creating and controlling things in the universe
3. the natural physical world including plants and animals and landscapes etc.
4. the complex of emotional and intellectual attributes that determine a person's characteristic action
5. a particular type of thing