birr
英[bɜː]
美[bɚ]
基本释义
- n.
- 动力，活力，精力
- v.
- 作呼呼声，呼呼（声中）移动
英英释义
Noun
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"
Verb
1. make a soft swishing sound;
"the motor whirred"
"the car engine purred"