| 单词 | apterous |
| 释义 | Word Frequency apterous(ˈæptərəs) adjective 1. (of insects) without wings, as silverfish and springtails 2. without winglike expansions, as some plant stems, seeds, and fruits Derived forms apterism (ˈapterˌism) noun Word origin C18: from Greek apteros wingless, from a-1 + pteron wing |
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