成熟胚

mature embryo的用法和样例：

例句

Abnormal development was observed at tetrad and mature embryo sac.在四分体和成熟胚囊时期观察到了异常发育现象。
The cotyledons of the mature embryo are either green, yellow or chalky yellow.成熟胚的子叶是绿色，黄色或浅黄色。

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