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同义词： spiderwort
以上来源于: WordNet
N any of various tropical and subtropical plants of the genus Commelina, having jointed creeping stems, narrow pointed leaves, and blue or purplish flowers which wilt quickly: family Commelinaceae 鸭跖草
Common Dayflower Herb
The test had studied the proper time and method of controlling dayflower.
本试验讨论了鸭跖草防除的时期和方法。
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The effects of different soil water content, depth of sowing and dose of fomesafen on dayflower emergence were studied.
通过提供不同外界环境条件的方法，研究了土壤含水量、播种深度及除草剂虎威对鸭跖草出苗的影响。
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