从堰开口处的泻水应畅通.The discharge from the weir opening should be free.滨外沙洲被一些人称之为 “ 沿滨沙洲 ” 和 “ 堰洲岛 ”.Off - shore bars are called " longshore bars " and " barrier islands " by some.他们看到了一些美丽的堰坎和湍滩.They shot some pretty weirs and...

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“堰”的拼音为：yàn...