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birl vt.,vi.1.呼呼旋轉。2.踩著運轉(浮木)。3.〔...

birle

Two birls teacher : here are two birds , one is a swallow , the other is sparrow . now who can tell us which is which 兩只鳥老師:這兒有兩只鳥,一只是麻雀。誰能指出哪只是燕子,哪只是麻雀嗎?