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So we know this plankton is very dange rous.
可见浮游生物是非常很快死亡。
youdao
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This old bridge, erected in the 18 century, has been in dange of collapse.
这坐建于18世纪的古桥，面临坍塌的危险。
youdao
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This old bridge, erected in the 18 century, has been in dange of collapse.
这坐建于18世纪的古桥，面临坍塌的危险。
youdao