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ex·ine AHD[ĕkʹsēn', -sīn'] D.J.[ˈekˌsiːn, -ˌsaɪn]K.K.[ˈɛkˌsin, -ˌsaɪn]n.Botany（名词）【植物学】- The outer layer of the wall of a spore or pollen grain. Also called exosporium 外壁：形成孢子或花粉壁的两层中的外层 也作 exosporium
- ex(o)- ex(o)-
- Greek is in- [tendon] * see wei- 希腊语 is in- [腱] * 参见 wei-
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