long green 是什么意思

	1.	She was carrying a long green umbrella 227她拿着一把绿色的长伞。
	2.	His branch is cut off before its time , and his leaf is no longer green 他的日期未到之先，这事必成就。他的枝子不得青绿。
	3.	The long green program 长远的绿化计划
	4.	The results showed that yanyou 361 maintains a long green leaf duration , low c hlorophyll declining speed and relatively stable cell membrance structure at later growing stage 结果表明，烟优361生育后期绿叶面积持续时间长，叶绿素分解缓慢，细胞膜结构相对稳定，抗旱性强。

long green是什么意思