cirrus是什么意思音标:英 ['sɪrəs]美 ['sɪrəs]

n. 卷须, 蔓足, 触毛
[医] 雄茎(蠕虫)

n. usually coiled
n. a wispy white cloud (usually of fine ice crystals) at a high altitude (4 to 8 miles)
n. a slender flexible animal appendage as on barnacles or crinoids or many insects; often tactile