birr
导读：birr读音音标英[bɜː]美[bɚ]
基本意思释义n.动力，活力，精力v.作呼呼声，呼呼（声中）移动英英释义Noun1. the basic unit of money in Ethiopia; equal to 100 cents2. sound of s
基本意思释义n.动力，活力，精力v.作呼呼声，呼呼（声中）移动英英释义Noun1. the basic unit of money in Ethiopia; equal to 100 cents2. sound of s
birr读音音标
英[bɜː]
美[bɚ]
基本意思释义
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\"
