birr是什么意思_birr用英语怎么说_birr的翻译_birr翻译成_birr的中文意思_birr怎么读,birr的读音,birr的用法,birr的例句

1. the basic unit of money in Ethiopia; equal to 100 cents

2. sound of something in rapid motion;

"whir of a bird's wings"

"the whir of the propellers"

1. make a soft swishing sound;

"the motor whirred"

"the car engine purred"