单词：gibberellins
n a plant hormone isolated from a fungus; used in promoting plant growth
gibberellins的用法和样例：
例句
- Such early thinning reduces the supply of gibberellins by reducing the number of seeds per cluster of fruit.这种早期疏果方式可减少每一花丛的种子数目，从而使赤霉素供应减少。
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