n.[C]

1. 巨浪，波涛
   The billows of the Atlantic dash high on the rocks during a storm.

   暴风雨时，大西洋的巨浪冲撞岩石掀得很高很高。

2. 巨浪（或波涛）似的东西（如大火、烟、雾等）
   Billows of smoke were belching from the chimney.

   巨浪似的烟正从烟囱里喷出来。

3. 【书】大海[P1]

vi.

1. （巨浪）翻腾
2. 波浪似地起伏，滚滚向前
   Hundreds of flags billowed in the breeze.

   几百面旗帜在微风中飘扬。

   Flames and smoke billowed over the prairie.

   草原上空烟火滚滚。

3. 鼓起[（+out）]

vt.

1. 使翻腾；使滚滚向前
2. 使鼓起[（+out）]

n.

1. a large undulating mass of cloud, smoke, or steam.
2. archaic a large sea wave.

v.