tumbleweed是什么意思音标:英 [ˈtʌmblwi:d]美 [ˈtʌmbəlˌwid]
n. 风滚草
n. any plant that breaks away from its roots in autumn and is driven by the wind as a pght rolpng mass
n. bushy plant of western United States
tumbleweed的用法和例句：
1.It's getting more and more popular, and we're serving tumbleweeds, man.
还变得越来越受欢迎 我们这已经门可罗雀了 伙计们
2.When rats are in confined places and their tails get intertwined, they move as one, a roving tumbleweed of diseaseridden rodents.
当老鼠处于有限空间里时 它们的尾巴缠在一起 作为一个整体移动 像一团在漫游的疾病缠身的啮齿目动物组成的风滚草