1.nutrient n. 营养物;滋养物
In her first book she explained the role of vegetable fibres, vitamins, minerals, and other essential nutrients.
在她第一本书中,她解释了植物纤维、维生素、矿物质和其他重要营养物质的作用
。2.seedling n. 秧苗,幼苗;树苗
She cut down the seedling with one chop.
她一刀就把小苗砍倒了
。3.vermiculite n. 蛭石(一种隔热材料)
Vermiculite is a material that can hold air, water and nutrients.
蛭石是一种可以保持空气,水分和养料的材料
。4.pinch vt. 捏;勒索;使苦恼;掐掉某物,修剪
The gardener pinched out the weak shoot on a plant.
园林工人掐掉植物上发育不良的芽
。