名词
中文翻译：种子囊
同义词：
['seed sac', 'seed envelope', 'seed bag']
例句：
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1. Theseeds inside the capsule are protected from germination until they're ready to be planted.
胶囊内的种子在准备种植前是保护的。
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2. The plant's ability to produce seeds is a key adaptation for survival.
植物产生种子的能力是生存的关键适应。
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3. The scientist used a microscope to examine the capsule and its contents.
科学家用显微镜检查了胶囊及其内容物。