free-central placentation[植] 特立中央胎座式
free central placenta特立中央胎座
free central placentation中央胎座;[植] 分离中央胎座式;游离中轴胎盘
free alternating current central placentation特立中央胎座式
Central European Free Trade Area中欧自由贸易区
Central American Free Trade Area中美洲自由贸易区
central american free trade association中美洲自由贸易联合会