| 释义 |
DEFINITIVE EXAMPLES 权威例句〔crop rotation〕The successive planting of different crops on the same land to improve soil fertility and help control insects and diseases.轮作：在同一块土地上连续种植不同的作物以提高土壤肥力并帮助控制昆虫的生长和疾病的蔓延美国传统〔fertility〕The area is known for its soil fertility.这一地区以土壤肥沃而闻名。韦氏高阶 |