broccolis是不可数名词，它没有复数形式。broccoli：n.绿菜花;西兰花。
相关介绍：
He polished off a large steak, salad, broccoli swimming in thick sauce, and half a litre of wine.
他狼吞虎咽地吃下了一大块牛排、很多色拉和浸着浓稠酱汁的花耶菜，还喝了半升红酒。
Selection and Compared Test of New Broccoli Varieties among Plateau Summer Vegetable.
高原夏菜西兰花新品种比较及筛选试验。
Establishment of broccoli plant regeneration system with orthogonal design.
应用正交设计建立青花菜植株的`再生体系。
Effects of water stress on physiological and biochemical characteristics of broccoli seedling.
水分胁迫处理对青花菜幼苗叶片生理生化特性的影响。
Effects of Two-stage Heat Treatment on Storage Quality of Harvested Broccoli.
双温热处理对西兰花采后贮藏品质的影响。
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