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单词 megasporophyll
释义

megasporophyll /ˌmeɡəˈspɔ:rəfil//ˌmɛɡəˈspɔrəˌfɪl/

英汉-汉英词典
n. 大孢子叶
词组 | 习惯用语
您要查找的是不是:
  • chlorophyll n. 叶绿素
  • prophylaxis n. 预防
megasporophyll 大孢子叶
英语例句库
  1. The carpel is homologous with the megasporophylls of certain spore-bearing vascular plants (pteridophytes) and the ovuliferous scales of gymnosperms.
    心皮和能产生孢子的维管植物(羊齿类)还有具胚珠的裸子植物的大孢子叶是同源的。

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英语百科

Sporophyll

The sporophyll of a fern. It is a fertile leaf bearing reproductive structures.

A sporophyll is a leaf that bears sporangia. Both microphylls and megaphylls can be sporophylls. In heterosporous plants, sporophylls (whether they are microphylls or megaphylls) bear either megasporangia and thus are called megasporophylls, or microsporangia and are called microsporophylls. The overlap of the prefixes and roots makes these terms a particularly confusing subset of botanical nomenclature.

近义、反义、联想词
近义词
n.
sporophyll, sporophyl

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更新时间:2025/6/17 12:01:25