thrum

• 名词，指低沉、连续不断的嗡嗡声、颤动声或振动声；也指这种声音本身或发出这种声音的振动。

A noun referring to a low, continuous, humming or vibrating sound.

1. A continuous low soundB2formal

   A steady, low, rhythmic sound, like the hum of a machine or the drone of an engine.

   低沉的嗡嗡声

   • The thrum of the air conditioner was the only sound in the room.
   • He could hear the distant thrum of the city traffic.
   • The thrum of the boat's engine was a constant companion on the journey.

   同义词buzzdronehummurmurpurrrumblevibration

• 指有节奏地或单调地拨弄乐器琴弦；也指发出低沉、连续的声音，如嗡嗡声或轰鸣声。

An archaic verb meaning to play or strum a stringed instrument in a monotonous or rhythmic manner, or to make a low, continuous humming or droning sound.

1. Make a low, continuous soundB2formal

   To produce a steady, low-pitched humming or buzzing noise.

   发出低沉连续的声音

   • The engine thrummed quietly as the car idled.
   • The bees thrummed among the flowers in the garden.
   • The distant machinery thrummed all night long.

   同义词buzzdronehumpurrvibratewhir

   反义词hushquietsilence

2. Play a stringed instrument idlyB2formal

   To strum or pluck the strings of a musical instrument, often in a casual or repetitive manner.

   拨弄弦乐器

   • He sat on the porch and thrummed his guitar softly.
   • She thrummed the strings of the harp, creating a gentle melody.
   • The musician thrummed a quiet tune on the lute.

   同义词pickpluckstrumtwang

3. Produce a rhythmic soundB2formal

   To create a sound that has a regular, repeating beat or pattern.

   发出有节奏的声音

   • The rain thrummed a steady rhythm on the roof.
   • His fingers thrummed against the table in impatience.
   • The drums thrummed a deep, hypnotic beat.

   同义词beatdronedrumhumpulsatepulsethrobvibrate

   反义词quietsilencestop