birr

• 名词，可指埃塞俄比亚的主要货币单位比尔，也可指嗡嗡声或呼鸣声，常与快速运动相关。

A noun that can refer to the basic monetary unit of Ethiopia, or to a whirring or buzzing sound, often associated with rapid motion.

1. Currency unitB1formal

   The primary monetary unit of Ethiopia, subdivided into 100 cents.

   比尔

   • The price of the goods was 500 birr.
   • He exchanged his dollars for Ethiopian birr at the bank.
   • The government issued new birr banknotes last year.

2. Whirring soundC1informal

   A low, continuous, vibrating sound, like that made by something moving rapidly.

   嗡嗡声

   • The birr of the sewing machine filled the room.
   • We could hear the birr of the fan in the background.
   • The birr of the spinning wheel was oddly soothing.

   同义词buzzdronehumwhirwhirrwhiz

• 过时动词，指发出嗡嗡声或低沉持续的响声，也指带着力量或劲头移动、行动。

An archaic verb meaning to make a whirring or buzzing sound, or to move with force or energy.

1. Make a whirring soundC1informal

   To produce a soft, continuous, buzzing or whirring noise, like something moving rapidly.

   嗡嗡作响

   • The fan birred softly in the corner of the room.
   • The wings of the hummingbird birred as it hovered near the flower.
   • The engine birred to life as he turned the key.

   同义词buzzdronehumpurrwhirwhirr