復(fù)數(shù)：surrogate mothers

n.a woman who bears a child for a couple where the wife is unable to do so

Surrogate mother
surrogate mother
Surrogate Mother
The black surrogate mother.
Surrogate mother for endangered Cupressus
The surrogate mother: A post-birth follow-up study
Surrogate mother arrangements from the perspective of the child
Cypress Surrogate Mother Produces Haploid Progeny From Alien Pollen
Psychiatric evaluation of women in surrogate mother programs
Psychiatric evaluation of women in a surrogate mother program
A variable-temperature surrogate mother for studying attachment in infant monkeys
The world's first in vitro fertilisation of a gestational surrogate mother.
Macaque monkey birth following transfer of in vitro fertilized, frozen-thawed embryos to a surrogate mother