箭舌豌豆根瘤为杆形，主要由皮层细胞和一个体积很大，含有分生组织、侵染组织，有时还有衰老组织的中心区域所组成。
Vicia sativa root nodule is usually rod-shaped, it is mainly composed of many cortex cells and a very large central zone which contains meristem, infected tissue and senescent tissue.
龙井茶居全国十大名茶之首，它以“色绿、香郁、味甘、形美”四绝而著称于世，常年饮用有提神、明目、利尿、降脂、减肥、抗癌和防止衰老等保健功效。
Ranking the first among the ten famous teas in China, Longjing "Dragon Well" tea is well-known for its green, fragrance, sweetness and pretty shape.
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