Scientists are therefore keeping watch to see if H5N1 infects other animals besides birds.

因此科学家密切关注禽流感是否感染禽以外的其他动物。

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To this day the rooster, seen on a weathervane, has symbolic meanings of keeping watch over evil, as weathervanes are often seen on top of churches.

现在我们经常看到的教堂上面的鸡形风向标被视为守望辟邪之物。

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The act of observing or keeping watch.

观看、观察的行为动作。

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The Environmental Protection Agency, is keeping a close watch on threats to the delicate eco-system along the coastline.

VOA: standard.2010.05.18

British soldiers in uniform gather in front of the makeshift canteen, keeping watch, eating candy bars.

FORBES: On The Cover/Top Stories

Indeed, safety experts generally advise against logging in as their children, or even "friending" them as a means of keeping watch.

BBC: Child safety measures to protect against internet threats

Some have suggested that the solution lies in technology - telecare with devices "keeping watch" for the unforeseen crisis or fall.

BBC: 'Care gaps and funding gaps'