| 释义 |
DEFINITIVE EXAMPLES 权威例句〔ENOUGH/NOT ENOUGH〕A deficiency of soil nutrients can cause the resulting crop to be disease-ridden and of very poor quality. 土壤缺少养分可导致生长的作物病害多、质量差。朗文写作活用〔no-till〕A system for planting crops without plowing, using herbicides to control weeds and resulting in reduced soil erosion and the preservation of soil nutrients.不整地种植：不犁地而以除草剂控制杂草，以减少土壤侵蚀并保持地力的耕耘谷物系统美国传统 |