音标：['tʌmblwi:d]
n. 风滚草
在线英汉词典

tumbleweed的短语、例句：

tumbleweed n [U] bush-like plant growing in desert areas of N America, which withers in autumn, breaks off and is rolled about by the wind 风滚草（生长於北美洲沙漠地区, 秋季乾枯, 枝叶断落, 随风滚动）.