billow

• 指翻滚而来的巨浪或大波浪，也指烟、云等形成的滚滚翻腾的一大团，像波浪一样起伏涌动。

A noun referring to a large, rolling wave of water, or a mass of something (like smoke or cloud) that swells and moves in a similar wave-like manner.

1. Large waveB2formal

   A large, rolling wave of water, especially in the sea.

   巨浪

   • The ship was tossed about by the towering billows.
   • A great billow crashed against the rocky shore.
   • The storm sent huge billows over the deck.

   同义词breakerrollersurgeswellwave

2. Surging massB2formal

   A large, swelling mass or cloud of something, such as smoke, steam, or sound.

   翻腾

   • A billow of smoke rose from the chimney.
   • Billows of dust obscured the road ahead.
   • The explosion sent a billow of debris into the air.

   同义词cloudfloodmasssurgeswellwave

• 动词，用于描述像巨浪或大团物质一样膨胀、翻腾或向外滚滚涌动的动作，常用来形容烟雾、云、帆或布料。

A verb used to describe the action of swelling, surging, or rolling outward in a large wave or mass, typically used for smoke, clouds, sails, or fabric.

1. Rise and swell like a waveB2formal

   To rise up or swell outward in a large, rolling mass, like a wave or cloud.

   翻腾

   • Smoke billowed from the chimney into the gray sky.
   • The sails billowed in the strong wind.
   • Dust billowed behind the speeding truck.

   同义词heaveriserollsurgeswellundulate

   反义词collapseflattensettlesinksubside

2. Become inflatedB2formal

   To fill with air and swell outward, becoming larger and rounder.

   膨胀

   • The parachute billowed open as he jumped from the plane.
   • Her skirt billowed around her legs in the breeze.
   • The tent fabric billowed as the air pump filled it.

   同义词balloonbloatbulgedistendinflatepuff upswell

   反义词collapsedeflateflattensink

3. Move with great difficultyC1formal

   To move or surge forward in a heavy, rolling, or laborious manner.

   艰难地行进

   • The crowd billowed through the narrow streets.
   • The thick fog billowed slowly across the field.
   • Lava billowed down the mountainside, destroying everything in its path.