dizygotic twin
noun/ˌdaɪzaɪˌɡɒtɪk ˈtwɪn/
/ˌdaɪzaɪˌɡɑːtɪk ˈtwɪn/
(also dizygous twin
(specialist)/daɪˌzaɪɡəs ˈtwɪn/
/daɪˌzaɪɡəs ˈtwɪn/
)- a fraternal twin (= either of two children or animals born from the same mother at the same time but not from the same egg)
异卵双胞胎（= 由同一个母亲同时出生但不是由同一个卵子出生的两个孩子或动物）