ovule
「ovule」的意思
n. 胚珠；幼籽；卵细胞
n.胚珠,卵子
「ovule」的用法
ovule胚珠 - 植物学
「ovule」的例句
The ovule is the female reproductive cell of a plant.
胚珠是植物的雌性生殖细胞。
The ovule contains the egg cell and is protected by the integument.
胚珠包含卵细胞，并被外种皮保护。
In flowering plants, the ovule is usually found in the ovary.
在被子植物中，胚珠通常位于卵巢中。
The development of the ovule is crucial for plant reproduction.
胚珠的发育对于植物繁殖至关重要。
Scientists study ovules to understand plant evolution.
科学家研究胚珠以了解植物进化。
The size and shape of the ovule can vary between different plant species.
胚珠的大小和形状在不同的植物物种之间可以有所不同。
In gymnosperms, the ovule is exposed and unprotected.
裸子植物中的胚珠是暴露且未受保护的。
The fertilization process begins when pollen from a male flower reaches and penetrates the ovule.
花粉从雄蕊到达并穿透胚珠开始受精过程。
The formation of seeds occurs when the ovule develops into an embryo.
种子的形成发生在胚珠发育成胚胎时。
The presence of an ovule indicates that a plant has female reproductive capabilities.
胚珠的存在表明植物具有雌性生殖能力。