twining tropical Old World plant bearing long pods usually with red or brown beans; long cultivated in Orient for food 同义词：Canavalia gladiata,
例句与用法
1.
Saut sword beans with dried shrimps 开洋炝刀豆
2.
Effects and security of six herbicides used in soil on controlling weed in sword bean field covered with film 6种土壤处理剂防除地膜刀豆田杂草的效果及安全性
3.
Gene sequence analysis showed that the fragment we have obtained has 94 % and 90 % homology with common buckwheat storage protein and legumins , respectively . meanwhile , by analyzing the amino acid sequence , it shares 93 % - 83 % homology with legumins from common buckwheat and sword bean 采用上述方法获得的tb22kda核苷酸序列与甜荞过敏性贮藏蛋白及豆球类蛋白的同源性分别达到94和90 ；氨基酸序列与来自甜荞中的球蛋白，刀豆蛋白有93 - 83同源性。
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