the transport of dissolved material within a plant(genetics) an exchange of chromosome parts
"translocations can result in serious congenital disorders"
英汉双解大词典
translocation/ˌtrænzləʊˈkeɪʃən/
1.
N（名词）
the transfer of one part of a chromosome to another part of the same or a different chromosome, resulting in rearrangement of the genes 易位 [genetics]