pollen grain

例句 (20)

• Each pollen grain contains the male genetic material of the plant.每个花粉粒都含有植物的雄性遗传物质。
• A single pollen grain is too small to be seen with the naked eye.单个花粉颗粒太小，肉眼无法看到。
• Scientists examined the fossilized pollen grains under a microscope.
• Under the microscope, each pollen grain revealed intricate patterns.科学家在显微镜下检查了化石化的花粉粒。
• The pollen grain must land on a compatible stigma to germinate.在显微镜下，每个花粉颗粒都展现出复杂的图案。
• The wind carried countless pollen grains across the field.
• Allergies are triggered when pollen grains enter the respiratory system.花粉粒必须落在兼容的柱头上才能发芽。
• Scientists study the structure of a pollen grain to identify plant species.风将无数的花粉颗粒吹过田野。
• A single flower can produce thousands of pollen grains.
• Allergies are often triggered by airborne pollen grains.当花粉粒进入呼吸系统时会引发过敏反应。
• The shape of a pollen grain varies between different plant species.科学家研究花粉颗粒的结构以识别植物种类。
• Each tiny pollen grain contains the male reproductive cells of a plant.
• Wind-pollinated plants release millions of pollen grains into the air.一朵花可以产生数千个花粉粒。
• Bees collect pollen grains to feed their larvae.过敏通常由空气中的花粉颗粒引起。
• Botanists can identify plant species by analyzing pollen grain morphology.
• Fossilized pollen grains provide clues about ancient climates.花粉粒的形状在不同植物物种之间有所不同。
• The outer wall of a pollen grain is remarkably resistant to decay.每个微小的花粉颗粒都含有植物的雄性生殖细胞。
• The sticky surface of the flower helps to capture passing pollen grains.
• Bees collect pollen grains on their bodies as they visit flowers.风媒植物向空气中释放数百万个花粉粒。
• Even a single pollen grain can cause a severe allergic reaction in sensitive individuals.蜜蜂收集花粉颗粒来喂养它们的幼虫。