Since ten years ago, it was bullfrogs, geese, ducks.
十年前就有牛蛙, 鹅, 鸭子什么的.
电影对白
Bullfrogs became lethargic with the first cold nights.
在开始的那些寒冷夜晚,牛蛙变得无精打采.
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Although bullfrogs were introduced into Chinese mainland in 1959, they were not wildly raised until 1990.
1959年牛蛙被引入中国大陆, 但直到1990年才开始在国内大范围饲养.
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The noise in the zoo turned out to be the croaks of bullfrogs.
动物园里喧噪得很,原来是一群牛蛙在叫.
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