FASabbr.船边交货价格(=free alongside ship)abbr.胎儿酒精综合症(=fetal alcohol syndrome)abbr.一级和二级(firsts and seconds)Fasolt法佐尔特

1. Acropetal differentiation of the cambium layer continues as the primary root elongates.
   形成层的向顶分化像初生根伸长一样在继续进行。