electric twinning

• 电孪生

electric twinning的用法和样例：

例句

1. Identical twinning can begin only inside the Fallopian tube.
   同卵孪生可能只在输卵管内开始发育。
2. However, twinning in cattle does not occur very often.
   然而，牛犊的孪生现象不会经常发生。