At about ten o 'clock, a clear sharp report rang out, the air vibrating briefly with its trailing echo.

在十点钟光景，一个清脆的声音忽然响起来，它的余音在空中荡漾了一会儿。

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At about ten o 'clock, a clear sharp report rang out, the air vibrating briefly with its trailing echo.

在十点钟光景，一个清脆的声音忽然响起来，它的余音在空中荡漾了一会儿。

youdao