7.这些农作物将矿物质带回土壤,使之肥沃强效,适宜于种植要求土壤肥沃的农作物,例如玉米和小麦。
These put the minerals back into the soil,making it rich and healthy and ready to grow crops that need rich and fertile soil like corn or wheat.
注:making...在句中充当状语。
8.但无论他们种什么,他们确保在收割后留在地里的东西成为来年农作物的天然肥料。
But whatever they grow they make sure that what is left in the ground after harvesting becomes a natural fertilizer for the next year’s crops.
注:harvesting...在句中跟after一起充当时间状语。
