单词 | retroserrate |
释义 | retroserrate/ˌrɛtrə(ʊ)ˈsɛreɪt/Zoology and Botany adjective Having or denoting serrations which are angled downwards or backwards, as on the stings of stingrays or the leaves of certain plants. OriginMid 19th century. From retro- + serrate. |
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