| 单词 | pinnae |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔tripinnate〕Divided into pinnae that are subdivided into smaller, further subdivided leaflets or lobes, as in many ferns.三回羽状的：二回羽状的又分割成更小的一回羽状的，进一步分割成小叶或裂片，如各种蕨类的叶片美国传统 |
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