identical twin
noun/aɪˌdentɪkl ˈtwɪn/
/aɪˌdentɪkl ˈtwɪn/
(also specialist monozygotic twin)
- either of two children or animals born from the same mother at the same time who have developed from a single egg. Identical twins are of the same sex and look very similar.
单卵性双胞胎之一（性别相同，外貌相似）