基本解释半四分躰同根派生 half-tetrad相关词英汉例句Abnormal development was observed at tetrad and mature embryo sac.在四分躰和成熟胚囊時期觀察到了異常發育現象。The megaspore mother cell meiosis to form a linear megaspore tetrad.大孢子母細胞減數分裂産生直線形大孢子四分躰。half-tetrad更多例句