white wreath aster

例句：

1. 1. The white wreath aster is a beautiful flower that adds atouch of elegance to any garden.
   白花球茎是一种美丽的花朵，为任何花园增添了优雅的气息。
2. 2. In thespring, the white wreath aster blooms with a delicate fragrance thatfills the air.
   春天，白花球茎绽放出微妙的香气，弥漫在空气中。
3. 3. The white wreathaster is often used as a decorativeelement in floral arrangements.
   白花球茎常被用作花卉布置的装饰元素。