The sandlot was adorned by two inexplicable plastic palm trees.
操场装饰了两棵塑料树（plasticpalm trees这个不知道是啥），有点突兀和不可思议。
Chondrilla juncea L. distribute mostly in gravel and sandlot, fight a drought, endure barren, there is a long florescence, the self-sow power is low, it propagate by root sprout.
粉苞苣属主要分布于砾石地和沙地，花期长，抗旱，耐瘠薄，自播力低，主要通过根蘖繁殖。
Relatively, the content of secondary metabolites in field and sandlot were higher, more steadily, and had advantage of realizing the stability of active ingredient content and curative effect in drug.
而弃耕沙地和田地的蒺藜次生代谢产物波动相对较小，含量较高，故后两种生境对蒺藜主要次生代谢产物积累较为有利。
Relatively, the content of secondary metabolites in field and sandlot were higher, more steadily, and had advantage of realizing the stability of active ingredient content and curative effect in drug.
而弃耕沙地和田地的蒺藜次生代谢产物波动相对较小，含量较高，故后两种生境对蒺藜主要次生代谢产物积累较为有利。
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