| 单词 | stigma |
| 释义 | stigma [`stig·mǝ] BOTANY The rough or sticky apical surface of the pistil for reception of the pollen. INVERTEBRATE ZOOLOGY 1. The eyespot of certain protozoans, such as Euglena. 2. The spiracle of an insect or arthropod. 3. A colored spot on many lepidopteran wings. MECHANICS A unit of length used mainly in nuclear measurements, equal to 10-12 meter. Also known as bicron. |
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