A: Infants should be exclusively breastfed - i.e. receive only breast milk - for the first six months of life to achieve optimal growth, development and health.

答：为了实现最佳生长、发育和健康，婴儿在生命的最初6个月应完全接受母乳喂养，即仅食用母乳。

youdao

Of course, the researchers could simply be demonstrating the effects of nutrition on male development-or even the effects of breast-feeding.

当然，研究者也可以简单的罗列出各种营养在男性生长过程中的作用，甚至包括母乳对他们的影响。

youdao

Another type of silicone breast implant called a "gummy bear" implant is in development.

有另一种硅胶假体植入术，称为“橡胶熊”。

youdao

Breast milk,they say, is the best food for the healthy development of teeth.

VOA: special.2009.03.11

Depriving him of the breast, could lead to serious problems in his personality development.

过早断奶，会对他的人格发展造成严重影响。

耶鲁公开课 - 心理学导论课程节选

Sheller explains that Risperdal stimulated the production of prolacting, which is a hormone released by the pituitary gland that stimulates breast development.

FORBES: J&J Sees Male Breasts And Quickly Settles Risperdal Suit

Furthermore, follow-up of women exposed to the atomic bomb at Hiroshima showed that exposure during adolescence (during breast development) carried a much higher risk of breast cancer than exposure later in life.

FORBES: After 40 Years Of Research, What Do We Know About Preventing Breast Cancer?

He added: "This South African athlete couldn't have AIS because her problem is that it is suggested that she looks rather male, she's got a big jaw and has very little breast development, but so many athletes are like that, " he added.

CNN: Gender row athlete: What is intersexuality?