| 释义 |
DEFINITIVE EXAMPLES 权威例句〔ovule〕Botany A minute structure in seed plants, containing the embryo sac and surrounded by the nucellus, that develops into a seed after fertilization.【植物学】 胚珠:种子植物的一个小的结构,含有胚囊并被珠心所包围,施肥后长成种子美国传统〔scale〕A similar part, such as one of the minute structures overlapping to form the covering on the wings of butterflies and moths.鳞状物:一种类似部位,如覆盖于蝴蝶或蛾子翅膀上形成覆盖物的微结构美国传统 |