grow thand development 基本例句 生长发育 Gilt vaccinations should be performed during this development phase.在猪的生长发育时期打好疫苗。 The growth and development of Cymbidium sinense in vitro were observed under scanning electron microscopy.摘要用石蜡切片和扫描电镜对墨兰试管苗植株的生长发育进行了研究。