单词 | pollen |
释义 | pol·len ![]() n. The fine powderlike material whose individual grains contain the male reproductive cells of seed plants. Pollen is produced in the anther in angiosperms and in the male cone in gymnosperms. [Latin, fine flour.] ![]() top: photomicrograph of ragweed pollen bottom: photomicrograph of cherry pollen ![]() |
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