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结果那些喝牛奶的老鼠，体重变得比一般老鼠重，而喝驴奶的增加重量较少。
While those given cows' milk became heavier than normal rats, those drinking asses' milk put on less weight.
youdao
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结果那些喝牛奶的老鼠，体重变得比一般老鼠重，而喝驴奶的增加重量较少。
While those given cows' milk became heavier than normal rats, those drinking asses' milk put on less weight.
youdao