单词：breeding rate
breeding rate的用法和样例：
例句
- He increased the reproduction rate of rabbits by inducing oestrus.他使用催情的方法来提高兔子的繁殖率。
- And of course, if neutered, you will not have to worry about them "breeding like rabbits.当然，如果绝育了，你就不用担心兔子的高繁殖率。
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