单词 | sporangia |
例句 | DEFINITIVE EXAMPLES 权威例句〔annulus〕A ring or group of thick-walled cells around the sporangia of many ferns that functions in spore release.环带:蕨类植物孢子囊周围具有释放孢子功能的环或一组细胞壁很厚的细胞美国传统〔sorus〕A cluster of sporangia borne on the underside of a fern frond.孢子堆:蕨类植物的叶子下方所长的一串孢子囊美国传统〔sporangiophore〕A specialized branch bearing one or more sporangia.孢子囊:含有一个或多个孢子的专门分枝美国传统〔sporocarp〕A receptacle containing sporangia, as in the pepperwort.含孢花:一种包含担孢子的花托,如在苹中美国传统 |
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