| 释义 | 
		Boston fernn.(名词) Nephrolepis exaltata cv.bostoniensis© School Division, Houghton Mifflin Company- A cultivar of sword fern(Nephrolepis exaltata  cv. Bostoniensis)  having arching or drooping pinnate fronds. It is a popular houseplant. 波士顿蕨:一种有拱形或俯垂的羽状叶的剑蕨(高大肾蕨 肾蕨属 培育品种 波士顿蕨) ,是一种受欢迎的室内植物 
 
 - Any of numerous other forms derived from the sword fern.一种从剑蕨衍化而来的其他形态
 
 
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