birr单词基本解析：

n.动力，活力，精力v.作呼呼声，呼呼（声中）移动
n.旋转声,活力, 推动力,比尔(埃塞俄比亚一种基本货币单位)v.发出呼呼声
n.动力，活力，精力；

birr变化用词：

名词复数: birr | 动词过去式: birred | 动词过去分词: birred | 动词现在分词: birring | 动词第三人称单数: birrs |

birr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"

名词 birr:

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

sound of something in rapid motion

同义词：whir, whirr, whirring

动词 birr:

make a soft swishing sound

同义词：whizz, whiz, whirr, whir, purr

birr[ bə: ]n.the basic unit of money in Ethiopia; equal to 100 centssound of something in rapid motion

同义词：whirwhirrwhirring

v.make a soft swishing sound

同义词：whizzwhizwhirrwhirpurr

birr中文词源：

birr用法和例句：

birr

4 H.Stemmler，High Power Installations Using Semiconductor Devices Interations between Semiconductor and converters，BBC，Birr，Switzerland，1981

5赵贺，电力电子技术对电力系统的影响，电力系统分析与控制学术年会论文集，1992.9

Ethiopian Birr

埃塞俄比亚比尔

BIRR Model and the Use of a Macroeconomic Factor Model in China's Stock Market

宏观因子套利定价模型的因子筛选及在中国股票市场的应用

Referring to BIRR model, the paper develops a macroeconomic factors model in China's stock market.

摘要本文以BIRR模型为参照，筛选出适用于中国股市的宏观因子套利定价模型中的宏观风险因子。

full of birr and go

精力充沛

用作名词(n.)

He is always full of birr and go.
他总是精力充沛的。

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