基本解释n.絮球同根派生 blowball相关词英汉例句"Every April, when these trees become mature, they will spread the blowball," she said. 韩研究员说，每年4月毛白杨果实成熟时便会开裂并释出杨絮。blowball更多例句专业释义生物学絮球