Farmers can also call on the services of their local hunt to control the fox population.
农民也可以请求当地的狩猎服务来控制狐狸的数量。
And watched three-spined stickleback fish hunt water fleas, to the accompaniment of either white noise calibrated to match the noise level of speedboats or a silent track as a control.
并控制三刺鱼在跟快艇噪音程度相当的白噪声中，或者完全安静的环境之下，观察它们捕食水蚤的情况。
The scientists are trying to hunt for a new way to control bird flu.
科学家们正在设法寻找一种新的办法来控制禽流感。
The scientists are trying to hunt for a new way to control bird flu.
科学家们正在设法寻找一种新的办法来控制禽流感。
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