Little DAMS on farms, which block small streams or trap run-off from rain or flooding, are an even bigger worry.

农场上的小水坝更是个担忧，它们拦住小溪，或者挡住雨水和洪水的径流。

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Little DAMS on farms, which block small streams or trap run-off from rain or flooding, are an even bigger worry.

农场上的小水坝更是个担忧，它们拦住小溪，或者挡住雨水和洪水的径流。

youdao