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- There is a high pollen count in the air. 空气中有很高的花粉计数。
- The emission of visible light by a hot object. 白热光物体遇热发出可见光
- pollen emission 花粉放出
- Stamen is in the middle of a flower and may produce pollen. 雄蕊长在花的中央,能产生花粉。
- The amount or rate of emission or ejection. 排放量流量、流速,或排出量,排出的速度
- A microscopic fossil, as of a pollen grain or unicellular organism. 微体化石一种微小的化石,如花粉粒或单细胞有机体的化石
- The workers have little pollen baskets on their legs. 工蜂脚上有装花粉的小"篮子"。
- Anther is a part of a flower that contains the pollen. 花药是花的雄蕊上带花粉的部分。
- The innermost wall of a spore or pollen grain. 内壁孢子或花粉粒最深处的壁
- Emission and propagation of energy in the form of rays or waves. 发射以光线或波的形式发出和传播能量
- Pollen sterile blossoms lack normal turgor. 花粉不育的花朵缺乏正常的膨压现象。
- One set of provisions tightens emission standards. 一套使排放标准更加严格的规定。
- The pollen is shed directly on the stigma. 花粉直接散落在柱头上。
- A brief, sudden emission of air, vapor, or smoke. 一阵烟空气、蒸汽或烟雾短促而突然的散发
- Some people have an allergy to pollen. 一些人对花粉有过敏反应。
- An example is the emission of light from matter. 物质的发光即为一例。
- Nectar and pollen are very nutritious. 花蜜和花粉是很有营养的。
- Pollinated by wind-dispersed pollen. 风媒传粉的通过风的飘散来传播花粉的
- More stringent fuel and vehicle emission standards. 收紧车用燃料及车辆废气排放标准。
- Emission of light from the sun is strong. 阳光的照射很强。