两百多年前,一位好心的英国牧师从英国带了几株仙人掌移植在悉尼市,他的初衷只不过是想在地广人稀的澳大利亚增添一种景致,谁知澳大利亚的气候条件与土壤特别适宜于仙人掌的生长,几年后,仙人掌到处蔓延,侵占了许多牧场和林场土地,成为澳大利亚的一大公害,后来终算有一位科学家从拉丁美洲引进了一种专吃仙人掌的夜蝴蝶,才使仙人掌的蔓延得到了遏止。 Two hundred years ago, a kind-hearted British pastor brought several cactuses from the United Kingdom to Sydney. His original intention was simply to add a glimpse into Australia’s sparsely populated landscape. Who knows the climatic conditions in Australia? The soil is particularly suitable for the growth of cacti, a few years later, cactus spread everywhere, invaded many ranch and forest land, became a major public hazard in Australia, and later finally a scientist from Latin America introduced a cactus night owl , Only to make the spread of cactus has been stopped.