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天罗是丝瓜的别名,这是葫芦科一年生攀援草本植物,全国各地均有栽培,每年5~7月开花,6~9月结果,瓠果常下垂,长圆柱形,长18~60厘米;幼时绿带粉白色,有深绿色纵纹,老熟时呈黄绿色或绿褐色,是夏秋季常食的蔬菜。天罗水就是丝瓜茎中的汁。收取天罗水很简单,在丝瓜生长旺盛时节,于离地60~100厘米处将丝瓜藤剪断,把连根的丝瓜藤弯曲向下,断端插入洗净的瓶子内(瓶容量可为500~1000毫升,小口),丝瓜藤的汁液就会滴入瓶内。为防止小虫或雨水进入,应将瓶口封好,静置地上即可。为收集更多的天罗水,可在丝瓜根部多浇些水。一般业讲,一天可收集500毫升天罗水。
Tian Luo is an alias of loofah, which is an annual climbing cucurbitaceous herbaceous plants throughout the country are cultivated every year from May to July flowering, June to September results, often drooping fruit, long cylindrical, 18 to 60 cm long; Green belt pink when young, dark green vertical stripes, yellow or green when mature, is the summer and autumn vegetables often eat. Lo Luosi is the watermelon stem juice. Water day is very simple, in loofah growing season, from 60 to 100 cm off the loofah rattan will be cut, the root of the loofah bent down, inserted into the broken end of the bottle (bottle capacity of 500 ~ 1000 ml, small mouth), loofah vine juice will drop into the bottle. In order to prevent insects or rain into the bottle should be sealed, can be placed on the ground. To collect more days Luo, water can be poured in the loofah more water. The general industry stresses that day can collect 500 ml day water.