2. The proper study of mankind is man. 研究人类最合适的对象是人。
3. It is altogether and proper that we should do this. 我们这样做是完全应该而且非常恰当的。
英英解释
adj.
1. marked by suitability or rightness or appropriateness
2. limited to the thing specified
3. appropriate for a condition or purpose or occasion or a person's character, needs
4. having all the qualities typical of the thing specified