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The bird control unit consists of about 15 specially-trained staff.
雀鸟管制组约有15名成员，他们都经过特别训练。
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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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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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