1.enrich vt.使富裕,使富有;給…添加肥料
The farmers ploughed the vegetable leaves back to enrich the soil.
農夫們把蔬菜葉犁入土中作肥料 。
2.yields n.產量
The climate has grown more equable and the crop yields have risen.
天氣變得更加溫和,糧食產量也已經提高 。
3.resistance n.抵抗力
This disease is surprisingly difficult to catch as most people have a natural resistance to it.
由于多數人對這種病具有天然免疫力,所以發病率低得出奇 。
4.malnutrition n.營養不良
Infections are more likely in those suffering from malnutrition.
營養不良的人更有可能被傳染 。