To test for the ringing acoustic signatures of tiny bubbles, physicist Helen Czerski of University of Rhode Island has devised a specially-designed echo chamber about the size of a soccer ball.

为了测试微小气泡的声学特征，罗得岛大学物理学家海伦切尔斯基制定了一个足球大小的特别回音球。

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Carter, who was named man of the match, ended the Test with jeers ringing in his ears after a high tackle on Martin Roberts which could land him in further trouble.

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