尼罗罗非鱼（Oreochromis niloticus）是我国华南淡水中的优势种。
Oreochromis niloticus is the dominant species in freshwaters of South China.
罗非鱼也很重要。
罗非鱼一年能够繁殖数代，生殖能力很强。
Tilapia are very fertile, and reproduce several offspring every year.
当年6月下旬，夫妻俩引进一万尾罗非鱼苗。
In late June that year, the couple introduced ten thousand tilapia seedlings.
Sysco已成为冷冻罗非鱼的大买家，以应对市场需求。
Responding to that demand, Sysco has become a big buyer of frozen tilapia.
Sysco已成为冷冻罗非鱼的大买家，以应对市场需求。
Responding to that demand, Sysco has become a big buyer of frozen tilapia.
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