Tumbleweed

['tʌmb(ə)lwiːd] or ['tʌmblwid]

解释:

(noun.) bushy plant of western United States.

(noun.) any plant that breaks away from its roots in autumn and is driven by the wind as a light rolling mass.

迭戈手打--From WordNet

解释:

(n.) Any plant which habitually breaks away from its roots in the autumn, and is driven by the wind, as a light, rolling mass, over the fields and prairies; as witch grass, wild indigo, Amarantus albus, etc.

西里尔整理