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- classification and nomenclature of spore and pollen fossil 孢粉化石的分类和命名
- 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
- There is a high pollen count in the air. 空气中有很高的花粉计数。
- He found a piece of fossil of an ancient bird. 他发现一块古代鸟类的化石。
- This fossil may be over 2 million years old. 这化石可能超过二百万年了。
- 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
- Can you date the fossil exactly? 你能确定这化石的确切年代吗?
- sporo - pollen fossils 孢粉化石
- Pollen fossils 孢粉
- 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 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。
- Isn't Professor Bell an old fossil? 贝尔教授真是个老顽固。
- If we squander our fossil fuels, we threaten civilization. 如果我们浪费矿物燃料,我们就威胁文明。
- The innermost wall of a spore or pollen grain. 内壁孢子或花粉粒最深处的壁
- Pollen sterile blossoms lack normal turgor. 花粉不育的花朵缺乏正常的膨压现象。
- It depends on the identification of zone fossils. 它依赖于分带化石的鉴别。
- Igneous rocks do not contain fossils. 火成岩不含化石。
- The pollen is shed directly on the stigma. 花粉直接散落在柱头上。
- The gossip tossed the mossy blossom fossil. 爱讲闲话者向上抛长满苔藓的花化石。