n.

1. 流产，小产；堕胎[U][C]
   Abortion is illegal in some states.

   堕胎在某些州是非法的。

2. 流产的胎儿（或胎）[C]
3. 【生】（动植物器官的）发育不全[U]

n.

1. the deliberate termination of a human pregnancy.
   ▸the natural expulsion of a fetus from the womb before it is able to survive independently.
2. Biology  the arrest of the development of an organ, especially a seed or fruit.
3. informal, derogatory something imperfectly planned or made.