A disease-resistant variety of wheat的用法和样例：
- If this happens,a variety of wheat,say,that has been bred to resist a particular disease can become effectively ungrowable in as little as three years.
- This strain of wheat can grow during a cold spring.
- There are new varieties of wheat.
- That farmer is always looking for new varieties of wheat.
- The dried and bleached straw of an Italian variety of wheat.