antitheses

例句：

1. 1. The two sides of the coin have opposite views on the issue.
   硬币的两面在这个问题上有相反的观点。
2. 2.The book contains many antitheses that make it easy to understand.
   这本书包含了许多对立面，使得理解起来很容易。
3. 3.The teacher used antitheses to explain the complex concepts in a clear way.
   老师使用对立面来解释复杂的概念，方式清晰明了。