第1876期:Little-known Garden Supports US Nursery Industry_英语每日一...
“What we do is support the American nursery industry … which is really one of the largest forms of agriculture,” said Richard Olsen, director of the National Arboretum. 位于华盛顿特区繁忙的街道上有一个许多美国人从未听说过的大型公共花园。美国国家植物园包括一系列名为杜鹃花的开花植物、一片名为...