您要查找的是不是：
- There is a high pollen count in the air. 空气中有很高的花粉计数。
- Scientists have studied the migration of fish over long distances. 科学家研究过鱼类远距离回游的现象。
- pollen migration 花粉迁移
- 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。
- 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"。
- There has been a migration of people from the country to the towns. 人们从乡下移居城镇。
- 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
- There was a huge migration of people into Europe because of the war. 因为战争，大量的移民涌入欧洲。
- Pollen sterile blossoms lack normal turgor. 花粉不育的花朵缺乏正常的膨压现象。
- Seabirds will fly from here to another place for migration every year. 海鸟每年都要从一个地方迁徙到另一个地方。
- The pollen is shed directly on the stigma. 花粉直接散落在柱头上。
- Some people have an allergy to pollen. 一些人对花粉有过敏反应。
- Nectar and pollen are very nutritious. 花蜜和花粉是很有营养的。
- By mid-October Operation Migration was ready. 到了10月中旬，迁徙行动的准备工作就绪。
- Pollinated by wind-dispersed pollen. 风媒传粉的通过风的飘散来传播花粉的
- Fast Explicit FD Time Migration. 二维快速显式有限差分时间偏移。
- A Human Migration Fueled by Dung? 人类迁徙燃料来源于粪便?
- Center for Migration Studies of New York, Inc. 纽约迁移研究中心。
