名词
中文翻译：永久性杂交种同义词
同义词：
['perpetual hybrid', 'permanent crossbreed', 'perennial hybrid']
例句：
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1. The plant is a permanent hybrid of the two species.
这种植物是两种物种的永久杂交种。
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2. The perpetual hybrid has been used for centuries to produce high-yield crops.
这种永久杂交种被用于几个世纪来生产高产量的作物。
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3. The perennial hybrid produces flowers that bloom throughout the year.
这种多年生杂交种全年开花。