| 单词 | 花粉粒 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔microfossil〕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美国传统〔pollen grain〕A microspore of seed plants, containing a male gametophyte.花粉粒：种子植物的花粉粒，含有一个雄性的配子体美国传统〔pollen mother cell〕The microspore mother cell of a seed plant.花粉母细胞：种子植物的花粉粒母细胞美国传统〔pollen tube〕The slender tube formed by the pollen grain that penetrates an ovule and releases the male gametes.花粉管：由穿透胚珠并释放出雄性配子的花粉粒形成的细管美国传统〔pollen〕The fine, powderlike material consisting of pollen grains that is produced by the anthers of seed plants.花粉：由种子植物的花药所产生的含有花粉粒的粉粒状的细致物质美国传统〔pollinium〕A mass of coherent pollen grains, found in the flowers of orchids and milkweeds.花粉块：由有粘性的花粉粒形成的块，常见于兰花和马利筋花中美国传统〔tetrad〕Botany A group of four cells, as of spores or pollen grains formed by division of one mother cell.【植物学】 四分体：四个一组的来自母细胞分裂的细胞，如孢子或花粉粒美国传统 |
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