英德
有道
百度
谷歌
图片
维基
百科
孔盖 [kǒng gài]
manhead
opercle
opercle
- 半夏花粉粒可能为有孔盖萌发孔类型。
The pollen grains patterns of germination apertures of P. ternata was likely to have colpate cover. - 孔盖降低了手部受伤的危险。
Access hole in cover reduces the risk of hand injury. - 种子珠孔区分化出珠孔领、孔盖和珠孔区薄壁细胞。
Micropylar collar, operculum and parenchyma cells are differentiated at micropylar region.
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