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。
2
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。
3
Another type of silicone breast implant called a "gummy bear" implant is in development.