Hard -seeds的用法和樣例:
例句
- Hard seeds are very common in many species of legumes.
硬實種子是豆科植物中普遍存在的現象。
- Dormancy for hard seeds is caused by impermeability to water and gas and mechanical constraint of the seed coat.
硬實種子種皮透水透氣性差和對胚生長的機械限制,引起種子休眠。
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