| 单词 | protonema |
| 释义 | Word Frequency protonema(ˌprəʊtəˈniːmə) nounWord forms: plural -nemata (-ˈniːmətə) a branched threadlike structure that grows from a moss spore and eventually develops into the moss plant Derived forms protonemal (ˌprotoˈnemal) or protonematal (ˌprəʊtəˈniːmətəl, -ˈnɛmətəl) adjective Word origin C19: from New Latin, from proto- + Greek nēma thread |
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