He showed Harry two identical balls, jet black and slightly smaller than the red Quaffle.

他拿给哈利看两只一模一样的球，它们黑得发亮，比刚才的红色鬼飞球略小一些。

He showed Harry two identical balls, jet black and slightly smaller than the red Quaffle. Harry noticed that they seemed to be straining to escape the straps holding them inside the box.

他拿给哈利看两只一模一样的球，它们黑得发亮，比刚才的红色鬼飞球略小一些。哈利注意到，它们似乎在拼命挣扎，想摆脱把它们束缚在箱子里的皮带。