n. the basic unit of money in Ethiopia; equal to 100 centsn. sound of something in rapid motionv. make a soft swishing sound
n. 比尔（埃塞俄比亚和厄立特里亚国基本货币单位）；活力；冲量；旋转声vt. 使发出旋转声vi. 发出旋转声n. (Birr)人名；(法、德)比尔；(英)伯尔