billow
n
1 (arch 古) large wave 巨浪.
2 swelling mass (eg of smoke or fog) like a wave 如波涛滚滚之物(如浓烟或浓雾). billow, v [I, Ipr, Ip]
rise or roll like waves 如波涛般起伏或翻滚
sails billowing (out) in the wind 在风中扬起的船帆
Smoke billowed from the burning houses. 浓烟从著火的房子中滚滚地冒出来.