rumbling

• 形容低沉、沉重、连续的声音，常与雷声、机器或肠胃蠕动相关。

Describes a low, heavy, continuous sound, often associated with thunder, machinery, or a stomach.

1. Low, continuous soundB1formal

   Making a continuous, low-pitched, and often deep throbbing sound.

   轰隆作响的

   • The rumbling engine of the old truck could be heard from miles away.
   • A rumbling noise came from the basement, making everyone nervous.
   • The rumbling thunder signaled the approaching storm.

   同义词deepgrowlinggrumblinglowmuffledrolling

   反义词noiselessquietsilentstill

• 名词，指低沉、连续而轰隆的响声，常与远处的雷声、重型机械或肚子咕咕叫有关。

A noun referring to a loud, low, and dull continuous noise, often associated with distant thunder, heavy machinery, or a growling stomach.

1. Continuous low soundB1formal

   A loud, low, and continuous noise, often like thunder or a distant engine.

   隆隆声

   • The rumbling of the train could be heard from miles away.
   • A deep rumbling came from the volcano before it erupted.
   • The rumbling of thunder kept us awake all night.

   同义词growlgrumbleroarrollrumblethunder

2. Unrest or gossipB2informal

   A feeling of discontent or a rumor that is spreading among people.

   不满或传言

   • There were rumblings of a strike among the factory workers.
   • Rumblings about the new policy started to circulate in the office.
   • The rumblings of discontent grew louder as the deadline approached.

   同义词discontentgrumblingmurmurmutteringrumorunrestwhisper

• 动词，指发出持续低沉、厚重的轰鸣声；也指参与混乱的斗殴或打群架。

A verb used to indicate the act of making a continuous deep, heavy sound, or to engage in a chaotic fight or brawl.

1. Make a low, continuous soundB1formal

   To produce a deep, heavy, and continuous sound, like thunder or a large engine.

   轰隆作响

   • The thunder rumbled in the distance.
   • The old truck rumbled down the gravel road.
   • His stomach rumbled loudly during the quiet meeting.

   同义词boomgrowlgrumbleroarrollthunder

2. Utter or emit low, dull soundsB2informal

   To speak or make a sound that is low, deep, and not very clear.

   发出低沉的声音

   • He rumbled a few words of complaint under his breath.
   • The crowd rumbled with discontent as the announcement was made.
   • She rumbled something about being tired before falling asleep.

   同义词boomgrowlgrumblerollthunder