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You set a boundary they cannot cross; never again will they cover the earth.
你定了界限，使水不能过去，不再转回遮盖地面。
youdao
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A name of the upper boundary of the set of Numbers.
一种数字集合的上界的名字。
youdao
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A name of the upper boundary of the set of Numbers.
一种数字集合的上界的名字。
youdao