n.改变位置；易位
Translocation could occur through an established medium. 转运能通过定殖的培养基发生。
The transport of materials in plants is called translocation. 植物中物质的输送称为运输作用。
Translocation occurs when a fragment of one chromosome becomes attached to a non-homologous chromosome. 一段染色体跟非同源染色体连在一起时就发生易位。
