Women and food cycle technologies;
妇女与食物循环技术；
Their life cycle helps man provide himself with a basic food—fish.
鱼类的生命周期使其成为一种人类的基本食物。
Competition among the species is a continuing cycle in the animal food chain.
在动物的食物链上，不同种群之间的竞争是一个永不停息的循环。
Competition among the species is a continuing cycle in the animal food chain.
在动物的食物链上，不同种群之间的竞争是一个永不停息的循环。
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